New Orleans, LA · Airport profile
MSY
Louis Armstrong New Orleans International Airport
78.7% of departures from MSY arrived on time across 154,321 flights, July 2023 – July 2026. The weakest hour is 6 PM, at 66.4%. Late-arriving aircraft accounts for the most delay minutes.
MSY right now
Live conditions where a permitted source publishes them, and the historical record where none does.
Aviation weather is not currently a factor.
Minimal operational impact. Conditions are not a notable factor for operations right now.
UpdatedForecast issued 05:20Z.
UpdatedBelow 10,000 ft, so aircraft overflying at cruise are not counted. These are observations, not an operational status: a count is a floor, since receiver coverage varies and a movement between two samples can be missed.
UpdatedAircraft observations from ADSB.lol (opens in a new tab) (Katia Esposito and contributing feeders), under the ODbL 1.0 (opens in a new tab). Derived data.
FlyerIntel shows live values only where a permitted source provides them. Sections without data are left empty rather than estimated.
Airport reliability
Departures from MSY, July 2023 – July 2026.
Better than 37% of major US airports covered by FlyerIntel (64 compared)
Calculated from 154,321 flights. How this is calculated
Source: US DOT Bureau of Transportation Statistics · Data covering July 2023 – July 2026
Why flights are cancelled at MSY
Every cancellation carries a reason code filed by the airline that operated the flight. Departures, July 2023 – July 2026.
Extreme weather accounts for 66.5% of cancelled departures from MSY — about 1 in every 98 scheduled departures. That is 7 points higher than the 59.5% recorded across every airport FlyerIntel covers.
Share of cancellations
Of 2,362 cancelled departures carrying a reason code.
What each reason means
Conditions the carrier judged severe enough to stop the flight: a blizzard, a hurricane, a line of thunderstorms.
1,571 cancellations, 66.5% of the total.
Crew, maintenance, aircraft cleaning, baggage or fueling: what BTS counts as within the carrier’s own control.
585 cancellations, 24.8% of the total.
Airport capacity, air traffic control flow programs, heavy traffic and ordinary bad weather. A system decision, not the airline’s.
202 cancellations, 8.6% of the total.
A terminal evacuation, a security breach, screening equipment failure, or screening queues over 29 minutes.
4 cancellations, 0.2% of the total.
2,362 of 154,321 scheduled departures from MSY were cancelled. Ordinary bad weather is filed under air traffic, so weather’s full share is larger than its bar.
Source: US DOT Bureau of Transportation Statistics · Data covering July 2023 – July 2026 · Reason codes are each airline’s own filing, not an independent finding of fault. Shown for airports with at least 500 coded cancellations; 2,362 were recorded at MSY.
Why flights run late at MSY
Where US DOT attributed the delay minutes on departures from MSY.
the inbound aircraft was late, so this flight started late
crew, maintenance, boarding and fueling, all within the carrier’s control
airspace and airport capacity, including weather-driven flow control
weather severe enough to stop this flight specifically
screening or terminal security incidents
Share of the delay minutes US DOT attributed to each cause for departures from MSY. Only delays of 15 minutes or more are attributed.
Of the 31,904 departures from MSY that left 15 or more minutes late and have a known inbound aircraft, 63% followed a flight that landed 15 or more minutes late. The other 37% left late even though the aircraft had come in on time or early. Across the 64 covered airports that share runs from 47% to 73%, with a median of 62%; MSY’s is the 25th highest.
The late flight is the one the same aircraft flew into MSY just before, found from the tail number in the DOT file. Airlines and hours differ from one airport to the next, so this describes the departures from MSY and does not rate the airport.
An airport is only partly the author of its own delays. Late-arriving aircraft describes the national schedule arriving here more than anything about this airfield. Air traffic control covers airspace and airport capacity, which is where a congested airport shows up; only the airline category sits squarely inside the carriers’ own operation. How differently they run it is further down this page.
Source: US DOT Bureau of Transportation Statistics · Data covering July 2023 – July 2026
What weather costs at MSY
Departures from MSY by the weather at the airport in the hour they were scheduled to leave, July 2023 – July 2026.
8.1% of scheduled departures from MSY left in an hour of bad weather. 3.2% of them were cancelled, against 1.3% in normal conditions, and 69.4% of the ones that flew arrived on time, against 79.5%. Those hours held 17% of all cancelled departures. That is about 226 more cancellations than the normal-conditions rate would give.
Cancellations were highest in fog hours: 7.7% of 1,097 departures, 5.7 times the normal rate.
Airlines filed 67% of MSY’s coded cancellations under extreme weather. By the weather at the airport in the scheduled hour, 17% of cancelled departures were in bad-weather hours. A code is the airline’s stated reason and an hour’s weather is what the airport reported, so the two need not match.
By weather
Scheduled departures, July 2023 – July 2026| Weather at the airport | Departures | Cancelled | Left on time | Arrived on time | Avg. departure delay |
|---|---|---|---|---|---|
| Normal conditionsVFR with no thunderstorm, snow or ice, fog, heavy rain or high wind | 127,11182.5% of all | 1.3% | 78.4% | 79.5% | 13.2 min |
| Any bad weatherIFR or LIFR, or a thunderstorm, snow or ice, fog, heavy rain or high wind | 12,4268.1% of all | 3.2%2.4 times normal | 69.6% | 69.4%10.1 points below normal | 24.6 min |
| MVFRceiling 1,000 to 3,000 feet or visibility 3 to 5 miles | 15,97210.4% of all | 1.8% | 76.7% | 77.5%2.0 points below normal | 15.6 min |
| IFRceiling 500 to 999 feet or visibility 1 to under 3 miles | 5,6423.7% of all | 2.8%2.1 times normal | 74.0% | 73.6%5.9 points below normal | 20.3 min |
| LIFRceiling under 500 feet or visibility under 1 mile | 2,7311.8% of all | 5.3%4.0 times normal | 80.9% | 79.2% | 15.3 min |
| Thunderstorma thunderstorm reported at the airport | 4,0812.6% of all | 2.2%1.6 times normal | 47.0% | 47.0%32.5 points below normal | 49.2 min |
| Fogfog or freezing fog reported at the airport | 1,0970.7% of all | 7.7%5.7 times normal | 85.4% | 83.0%3.5 points above normal | 10.0 min |
| Heavy rainheavy rain reported at the airport | 1,8141.2% of all | 5.7%4.2 times normal | 49.4% | 47.8%31.7 points below normal | 48.7 min |
| High windwind of 25 knots or more, or gusts of 30 knots or more | 1,6991.1% of all | 7.1%5.2 times normal | 59.9% | 59.3%20.2 points below normal | 39.3 min |
| Low ceilinga broken or overcast layer under 1,000 feet | 6,4744.2% of all | 3.7%2.7 times normal | 81.1% | 80.6%1.1 points above normal | 14.0 min |
| Low visibilityvisibility under 3 miles | 4,5082.9% of all | 4.8%3.6 times normal | 72.7% | 71.0%8.5 points below normal | 23.3 min |
A departure is counted in every row its hour fits, so the rows overlap and do not add up. Left on time is a departure under 15 minutes late, and arrived on time an arrival under 15 minutes late; cancelled is the share of scheduled departures. Rows with fewer than 120 departures are not scored. Too few departures to score: snow or ice (97).
This is the weather reported at MSY in the hour a flight was scheduled to leave. It leaves out the weather at the destination and on the way, weather that arrived after the scheduled time, and anything else that goes wrong in a bad hour. An hour takes the worst conditions any report in it gave. Weather was matched to 99.9% of the airport’s scheduled departures; the rest left in hours with no report, or at a scheduled time the flight records cannot place exactly. Bad-weather hours are compared with normal hours at the same airport, not with what the same flights would have done in a clear sky: they also fall more often in some seasons and at some times of day.
Source: FlyerIntel analysis of US DOT BTS flight records and Iowa Environmental Mesonet weather reports · July 2023 – July 2026 · Where the weather comes from, and its limits. All covered airports side by side: What Weather Costs Each Airport.
Which airlines hold up in bad weather at MSY
Cancellations by airline in hours of bad weather at MSY, against the other carriers in the same months, July 2023 – July 2026.
8% of the weather-matched departures from MSY left in an hour of bad weather at the airport. 3.2% of them were cancelled. That is 2.4 times the 1.3% in normal hours. No one carrier holds most of them; 5 airlines have enough to compare.
Compared with the other carriers at MSY in the same months, Southwest Airlines (2.5% cancelled against 3.8% for the others; below them in normal hours too) cancelled the fewest in bad weather and American Airlines (3.7% cancelled against 2.9% for the others; above them in normal hours too) the most.
Airlines in bad weather at MSY
Scheduled departures, July 2023 – July 2026| Airline | Bad-weather departures | Cancelled | Other carriers | Normal hours |
|---|---|---|---|---|
| Southwest Airlines | 4,58437% of bad-weather | 2.5%below the others | 3.8% | 0.7%others 1.7% |
| Delta Air Lines | 1,80515% of bad-weather | 3.0% | 3.3% | 1.4%others 1.3% |
| United Airlines | 1,74114% of bad-weather | 3.3% | 3.5% | 1.3%others 1.4% |
| Spirit Airlines | 1,0478% of bad-weather | 3.3% | 3.2% | 1.9%others 1.3% |
| American Airlines | 1,81615% of bad-weather | 3.7%above the others | 2.9% | 1.8%others 1.3% |
Best first. The other carriers’ column applies their rate in each month to the airline’s own departures, so a stormy month is not held against it; the normal-hours column gives the same pair outside bad weather.
The 5 listed airlines flew 88% of the bad-weather departures at MSY; a carrier under 500 is not listed. The comparison does not hold the hour of the day, the destination or the aircraft fixed, and a gap counts as clear only at 2 standard errors and 0.3 points.
Source: FlyerIntel analysis of US DOT BTS flight records and Iowa Environmental Mesonet weather reports · July 2023 – July 2026 · Where the weather comes from, and its limits. All covered airports side by side: What Weather Costs Each Airport.
Turning aircraft around at MSY
Time on the ground between one flight and the next of the same aircraft at MSY, and what a late arrival does to the next departure, July 2023 – July 2026.
The median turn at MSY is scheduled for 50 minutes on the ground and takes 58 minutes, against 56 minutes and 63 minutes across all airports. Aircraft are given less time on the ground here than at the typical airport. The 8 minutes by which the typical turn runs over its schedule are about what it is across all airports.
When the aircraft landed 15 or more minutes late (23,479 turns here, 57 minutes late on average), 57% of the turns were finished in no more than the scheduled ground time, against 68% across all airports. 82% of those flights left 15 or more minutes late, against 72%. After an aircraft that landed on time, 11% did (all airports 11%).
Given the turn lengths scheduled here, the network’s rates would give 62% finished in the schedule and 79% leaving late. MSY does worse on both counts: fewer late turns are finished in the schedule and more late aircraft become late departures, so a late arrival is more likely to stay late here than the schedule alone explains. 42% of its late-inbound turns had a scheduled turn of 45 to 59 minutes, against 31% across all airports.
Turns at MSY against all airports
115,459 turns, July 2023 – July 2026| Measure | MSY | All airports | All airports, same turn lengths |
|---|---|---|---|
| Median scheduled turn | 50 min | 56 min | — |
| Median actual turn | 58 min | 63 min | — |
| Turns that began with an aircraft 15+ minutes late | 20% | 19% | — |
| Late turns finished within the schedule | 57% | 68% | 62% |
| Late inbound that left 15+ minutes late | 82% | 72% | 79% |
| On-time inbound that left 15+ minutes late | 11% | 11% | — |
The last column is the network’s rate at the turn lengths scheduled at MSY, band by band from under 30 minutes to 3 to 6 hours. A turn finishes within the schedule when the aircraft spent no more time on the ground than the schedule gave it.
A turn pairs an aircraft’s landing at MSY with its next departure from it by tail number; the aircraft is never named. These 115,459 turns are 75% of the flights that left MSY in the period; the rest are an aircraft’s first flight after a long stay, flights without a usable inbound, and cancelled flights. Ground time runs from the gate. Turns under 30 minutes are kept, but most leave late even after an on-time landing. Airlines set their own turn schedules, so this describes the airlines that fly at MSY and does not rate the airport.
Source: FlyerIntel analysis of US DOT BTS flight records · July 2023 – July 2026 · Airports side by side: Where a Late Aircraft Gets Its Time Back.
What sets MSY apart
Where MSY’s hours, months, airlines and taxi time differ most from the other airports, July 2023 – July 2026.
Flights scheduled to leave MSY at 8 AM arrive on time 89.3% of the time, 3.3 points better than the 86.0% for that hour at the other airports.
9 PM is where MSY falls furthest behind the rest: 67.6% of its 9 PM departures arrive on time, 3.7 points below the 71.3% for that hour elsewhere.
August treats MSY better than it treats the rest of the country: 79.8% on time against 76.7% elsewhere, 3.1 points ahead.
May is MSY’s hardest month against the field, 73.0% on time to 75.5% elsewhere, 2.5 points short.
United Airlines does better out of MSY than anywhere else it flies: 83.9% on time here, 79.7% on its other departures, 4.2 points apart.
JetBlue’s departures from MSY arrive on time 69.3% of the time, 3.2 points worse than the 72.5% the same airline manages at its other airports.
Taxi-out at MSY averages 13.2 minutes, 5.5 minutes less than the 18.7 minutes elsewhere.
MSY against the other airports
July 2023 – July 2026| Measure | MSY | Elsewhere | Gap | Flights behind it |
|---|---|---|---|---|
| Hour: 8 AM departures | 89.3% | 86.0% | +3.3 pts | 6,592 here, 1,277,000 elsewhere |
| Hour: 9 PM departures | 67.6% | 71.3% | −3.7 pts | 2,919 here, 681,392 elsewhere |
| Month: August | 79.8% | 76.7% | +3.1 pts | 11,223 here, 1,462,612 elsewhere |
| Month: May | 73.0% | 75.5% | −2.5 pts | 13,012 here, 1,474,321 elsewhere |
| Airline: United Airlines | 83.9% | 79.7% | +4.2 pts | 19,974 here, 2,362,596 elsewhere |
| Airline: JetBlue | 69.3% | 72.5% | −3.2 pts | 4,002 here, 722,312 elsewhere |
| Taxi-out: Departures | 13.2 min | 18.7 min | −5.5 min | 152,005 here, 17,478,104 elsewhere |
"Elsewhere" is every other covered airport together, taken from the same aggregates as this page with MSY’s own flights removed (for airlines, that airline’s flights from all its other airports). Hours, months and airlines appear only where both sides have at least 120 completed flights (airlines 500) and the gap is at least 2 points and 2 standard errors; only the largest gap in each direction is shown. The taxi figure is weighted by departures and has no error estimate, so it appears from 2 minutes.
Best time to fly from MSY
On-time arrival rate by scheduled local departure time: each weekday and hour, and averaged over the week.
Flights departing 5–9 AM arrived on time 90.1% of the time, against 67.8% for 9 PM–5 AM departures — a gap of 22.3 percentage points.
By day and hour
On-time arrival rate for each weekday and scheduled departure hour, in local time.
Friday 5–6 AM was the most reliable slot at MSY (94.1% on time, 1,434 flights) and Sunday 8–9 PM the least (58.4%, 875 flights).
Hour of departure matters more than day of the week: hourly averages sit a typical 8.8 points from the airport-wide rate, weekday averages 3.0 points.
| Hour | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
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On-time rate, % · stronger color, fewer on time
- 50–59
- 60–69
- 70–79
- 80–89
- 90–99
- Fewer than 120 flights, not scored
- Most reliable slot
- Least reliable slot
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · On time is arrival within 15 minutes of schedule. Cells round to whole percentages; the table shows one decimal.
Best and worst slots are named only among slots with 500+ flights, and only when the gap is larger than sampling error. Departures before 5 AM and after 11 PM (24 flights) are not drawn: no slot in those hours has enough flights to score.
View as tableHide table
| Hour | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|---|
| 5 AM–6 AM | 90.9% on time1,393 flights | 91.6% on time980 flights | 92.9% on time951 flights | 93.4% on time1,413 flights | 94.1% on time1,434 flights | 92.7% on time1,119 flights | 91.4% on time1,273 flights |
| 6 AM–7 AM | 89.7% on time1,951 flights | 91.4% on time1,870 flights | 92.0% on time1,888 flights | 92.5% on time1,890 flights | 91.7% on time1,924 flights | 90.8% on time1,749 flights | 89.1% on time1,926 flights |
| 7 AM–8 AM | 86.1% on time1,699 flights | 89.3% on time1,667 flights | 89.7% on time1,647 flights | 87.7% on time1,741 flights | 88.8% on time1,701 flights | 86.1% on time1,669 flights | 87.0% on time1,762 flights |
| 8 AM–9 AM | 88.2% on time969 flights | 90.4% on time941 flights | 90.4% on time930 flights | 88.1% on time1,004 flights | 90.9% on time965 flights | 89.0% on time858 flights | 88.1% on time1,021 flights |
| 9 AM–10 AM | 84.3% on time1,246 flights | 87.2% on time1,113 flights | 87.6% on time1,133 flights | 86.5% on time1,239 flights | 84.4% on time1,243 flights | 87.4% on time1,040 flights | 84.5% on time1,285 flights |
| 10 AM–11 AM | 81.9% on time1,594 flights | 88.6% on time1,480 flights | 86.1% on time1,465 flights | 83.9% on time1,616 flights | 83.2% on time1,593 flights | 85.2% on time1,372 flights | 81.3% on time1,686 flights |
| 11 AM–12 PM | 81.3% on time1,527 flights | 87.0% on time1,480 flights | 85.2% on time1,480 flights | 80.8% on time1,477 flights | 80.2% on time1,542 flights | 82.5% on time1,259 flights | 78.2% on time1,605 flights |
| 12 PM–1 PM | 77.8% on time1,164 flights | 82.6% on time1,207 flights | 80.2% on time1,169 flights | 76.3% on time1,182 flights | 76.5% on time1,176 flights | 80.5% on time997 flights | 75.0% on time1,212 flights |
| 1 PM–2 PM | 75.0% on time1,066 flights | 81.2% on time880 flights | 80.4% on time915 flights | 75.8% on time1,068 flights | 73.3% on time1,084 flights | 76.4% on time818 flights | 74.1% on time1,083 flights |
| 2 PM–3 PM | 72.2% on time1,648 flights | 80.5% on time1,421 flights | 76.4% on time1,495 flights | 71.5% on time1,604 flights | 71.1% on time1,648 flights | 76.6% on time1,333 flights | 70.0% on time1,570 flights |
| 3 PM–4 PM | 69.2% on time1,459 flights | 77.7% on time1,226 flights | 75.7% on time1,235 flights | 70.4% on time1,387 flights | 70.9% on time1,452 flights | 74.1% on time1,399 flights | 66.4% on time1,449 flights |
| 4 PM–5 PM | 68.4% on time1,429 flights | 77.5% on time1,373 flights | 74.9% on time1,345 flights | 71.1% on time1,393 flights | 65.6% on time1,427 flights | 71.3% on time1,170 flights | 64.2% on time1,413 flights |
| 5 PM–6 PM | 66.9% on time1,628 flights | 74.0% on time1,620 flights | 73.1% on time1,643 flights | 66.2% on time1,596 flights | 65.6% on time1,638 flights | 72.0% on time1,350 flights | 63.1% on time1,623 flights |
| 6 PM–7 PM | 63.9% on time1,681 flights | 73.9% on time1,353 flights | 72.2% on time1,438 flights | 63.6% on time1,718 flights | 64.5% on time1,676 flights | 70.8% on time1,252 flights | 60.3% on time1,870 flights |
| 7 PM–8 PM | 72.1% on time1,548 flights | 79.1% on time1,059 flights | 79.0% on time1,077 flights | 70.2% on time1,544 flights | 70.8% on time1,570 flights | 72.2% on time853 flights | 60.7% on time1,695 flights |
| 8 PM–9 PM | 71.2% on time730 flights | 78.4% on time408 flights | 78.7% on time428 flights | 69.5% on time748 flights | 68.2% on time748 flights | 71.4% on time350 flights | 58.4% on time875 flights |
| 9 PM–10 PM | 68.5% on time551 flights | 80.3% on time243 flights | 74.8% on time238 flights | 66.2% on time500 flights | 66.0% on time551 flights | 71.4% on time221 flights | 60.8% on time673 flights |
| 10 PM–11 PM | 68.3% on time145 flights | 40 flights, too few to score | 49 flights, too few to score | 69.4% on time149 flights | 67.9% on time159 flights | 106 flights, too few to score | 63.1% on time246 flights |
By departure window
All days combinedBy departure hour
All days combined- 12 AM to 4 AM: too few flights to score
- 5 AM: 92.5% on time from 8,563 flights
- 6 AM: 91.0% on time from 13,198 flights
- 7 AM: 87.8% on time from 11,886 flights
- 8 AM: 89.3% on time from 6,688 flights
- 9 AM: 85.9% on time from 8,299 flights
- 10 AM: 84.2% on time from 10,806 flights
- 11 AM: 82.1% on time from 10,370 flights
- 12 PM: 78.4% on time from 8,107 flights
- 1 PM: 76.4% on time from 6,914 flights
- 2 PM: 73.8% on time from 10,719 flights
- 3 PM: 71.8% on time from 9,607 flights
- 4 PM: 70.3% on time from 9,550 flights
- 5 PM: 68.6% on time from 11,098 flights
- 6 PM: 66.4% on time from 10,988 flights
- 7 PM: 71.1% on time from 9,346 flights
- 8 PM: 69.3% on time from 4,287 flights
- 9 PM: 67.6% on time from 2,977 flights
- 10 PM: 68.2% on time from 894 flights
- 11 PM: too few flights to score
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · Buckets with fewer than 120 flights are not scored.
What parking will cost
Estimated from MSY's own published rates.
Estimated cost
Choose a facility and both dates to see an estimate.
Rates as published by the airport, last read 2026-08-31. Confirm before you travel.
Source: Louis Armstrong New Orleans International Airport · An estimate from published standard rates. Airports vary surcharges, oversize vehicle fees and event pricing, so confirm the price with the airport before you travel.
What to expect at MSY
How busy the airport is through the day, from scheduled departure volume.
Scheduled departures by hour
- 12 AM: fewer than one departure a day
- 1 AM: fewer than one departure a day
- 2 AM: fewer than one departure a day
- 3 AM: no departures
- 4 AM: no departures
- 5 AM: about 8 departures a day
- 6 AM: about 12 departures a day
- 7 AM: about 11 departures a day
- 8 AM: about 6 departures a day
- 9 AM: about 7 departures a day
- 10 AM: about 10 departures a day
- 11 AM: about 9 departures a day
- 12 PM: about 7 departures a day
- 1 PM: about 6 departures a day
- 2 PM: about 10 departures a day
- 3 PM: about 9 departures a day
- 4 PM: about 8 departures a day
- 5 PM: about 10 departures a day
- 6 PM: about 10 departures a day
- 7 PM: about 8 departures a day
- 8 PM: about 4 departures a day
- 9 PM: about 3 departures a day
- 10 PM: about 1 departure a day
- 11 PM: fewer than one departure a day
The busiest hour is 6 AM, with about 12 departures a day, against roughly 3 at 9 PM. That peak is also more punctual than a typical hour here: early banks fly aircraft that spent the night on the ground rather than ones inheriting the day’s delays.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · Taxi-out runs from gate to wheels-up, averaged over departures and weighted by hour. Taxi-in runs from touchdown to gate.
Weekly and seasonal patterns
By day of week
Tuesday is historically the most reliable day and Sunday the least, a gap of 9.4 percentage points.
By month
- Jan: 81.0% on time
- Feb: 81.8% on time
- Mar: 77.8% on time
- Apr: 80.4% on time
- May: 73.0% on time
- Jun: 71.4% on time
- Jul: 69.4% on time
- Aug: 79.8% on time
- Sep: 84.0% on time
- Oct: 83.3% on time
- Nov: 84.1% on time
- Dec: 81.0% on time
July is historically the weakest month and November the strongest, a spread of 14.7 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026
Airlines at MSY
Departure performance by operating carrier. Regional flights are reported by the carrier that operated them, not by the mainline brand.
| Carrier | Departures | On time | Cancelled | Median delay |
|---|---|---|---|---|
| Southwest Airlines WN | 57,786 | 77.6% | 0.94% | -3 min |
| Delta Air Lines DL | 22,868 | 83.2% | 1.58% | -9 min |
| American Airlines AA | 21,841 | 76.0% | 1.96% | -5 min |
| United Airlines UA | 20,327 | 83.9% | 1.49% | -10 min |
| Spirit Airlines NK | 13,304 | 77.9% | 2.06% | -6 min |
| JetBlue B6 | 4,105 | 69.3% | 2.24% | -4 min |
| Envoy Air MQ | 3,369 | 77.9% | 1.93% | -6 min |
| Frontier Airlines F9 | 2,515 | 68.6% | 2.98% | -3 min |
| PSA Airlines OH | 2,402 | 74.8% | 5.25% | -8 min |
| Alaska Airlines AS | 2,315 | 76.6% | 0.95% | -3 min |
| Republic Airways YX | 1,895 | 82.3% | 2.64% | -9 min |
| SkyWest Airlines OO | 1,308 | 78.4% | 1.38% | -10 min |
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · Carriers with fewer than 500 departures are not listed.
Routes from MSY
Ranked by FlyerIntel Route Reliability Score.
Most reliable
Least reliable
Busiest routes
| Destination | Flights | On time | Score |
|---|---|---|---|
| MSY → ATL Atlanta | 13,485 | 82.0% | 71 |
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · Only routes with at least 10,000 flights are ranked.
Reliability over time
On-time arrival rate for departures, by month.
- July 2023: 70.9% on time from 4,052 flights
- August 2023: 80.9% on time from 3,914 flights
- September 2023: 81.5% on time from 3,616 flights
- October 2023: 84.5% on time from 4,366 flights
- November 2023: 85.9% on time from 4,171 flights
- December 2023: 85.2% on time from 4,279 flights
- January 2024: 74.6% on time from 4,065 flights
- February 2024: 84.8% on time from 4,041 flights
- March 2024: 77.7% on time from 4,501 flights
- April 2024: 80.6% on time from 4,320 flights
- May 2024: 69.4% on time from 4,518 flights
- June 2024: 75.4% on time from 4,205 flights
- July 2024: 65.6% on time from 4,192 flights
- August 2024: 78.3% on time from 3,768 flights
- September 2024: 84.5% on time from 3,659 flights
- October 2024: 86.7% on time from 4,463 flights
- November 2024: 85.4% on time from 4,236 flights
- December 2024: 79.7% on time from 4,205 flights
- January 2025: 84.0% on time from 4,207 flights
- February 2025: 78.3% on time from 4,440 flights
- March 2025: 80.2% on time from 4,838 flights
- April 2025: 80.7% on time from 4,529 flights
- May 2025: 76.0% on time from 4,483 flights
- June 2025: 68.4% on time from 4,062 flights
- July 2025: 71.9% on time from 4,039 flights
- August 2025: 80.2% on time from 3,739 flights
- September 2025: 85.9% on time from 3,619 flights
- October 2025: 78.9% on time from 4,699 flights
- November 2025: 81.1% on time from 4,314 flights
- December 2025: 78.0% on time from 4,152 flights
- January 2026: 84.9% on time from 3,901 flights
- February 2026: 82.8% on time from 4,111 flights
- March 2026: 75.3% on time from 4,485 flights
- April 2026: 80.1% on time from 4,428 flights
- May 2026: 73.5% on time from 4,194 flights
- June 2026: 70.0% on time from 3,709 flights
- July 2026: 69.3% on time from 3,801 flights
Over the most recent 12 months (2025-08 to 2026-07), departures from MSY arrived on time 78.3% of the time, against 79.5% in the 12 months before — broadly unchanged.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026
Data and sources
Historical statistics
Every historical figure on this page is calculated by FlyerIntel from US DOT Bureau of Transportation Statistics on-time performance records covering July 2023 – July 2026, comprising 154,321 departures from MSY. A flight counts as delayed when it arrives 15 or more minutes after schedule.
Full methodology · All data sources
Related research: Where a Late Aircraft Gets Its Time Back · The Day After the Holiday · The Least Reliable Hour of the Week · The Best Major Airports for a Tight Connection · Which Months Cancel the Most Flights
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<a href="https://flyerintel.com/airports/msy/"><img src="https://flyerintel.com/badge/airport/msy/" alt="Louis Armstrong New Orleans International Airport on-time performance, from FlyerIntel"></a>Live conditions
Aviation weather comes from the NOAA Aviation Weather Center. Operational events come from the FAA where available. FlyerIntel shows the age of every live value and does not display data it cannot currently retrieve.
Latest observation for MSY: METAR KMSY 180753Z 05014G20KT 10SM FEW250 17/07 A3029 RMK AO2 SLP260 T01670072 $ (issued ).