Route profile
JAX→JFK
Flight reliability, delays and best times to fly from Jacksonville to New York, 828 miles.
Right now
Aviation weather is not currently a factor.
Aviation weather is not currently a factor.
Route reliability
July 2023 – July 2026
Better than 8% of comparable major US routes (4,598 compared)
Calculated from 4,746 flights. How this is calculated
JAX → JFK arrives on time 77.0% of the time; the return trip, JFK → JAX, arrives on time 76.4% of the time.
JAX → JFK spends 27.2 minutes on the ground on an 828-mile trip: 15.8 minutes from pushback to wheels-up at JAX and 11.4 minutes from touchdown to gate at JFK.
Source: US DOT Bureau of Transportation Statistics · Data covering July 2023 – July 2026
What stands out
This route's worst arrivals run unusually far past its typical one, a bigger gap than 92% of 4,598 comparable routes.
A typical arrival is 7 min early, but the worst tenth run 73 minutes worse than that.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · Ranked against every other route with the same kind of figure and at least 4,598 in the comparison.
What sets this route apart
Where JAX to JFK differs most from similar routes by hour, weekday, month and airline, July 2023 – July 2026.
JAX to JFK struggles most at 7 PM: 58.0% of its flights scheduled then arrive on time, 8.8 points behind the 66.8% on routes of similar length at the same hour. Against all other routes the gap is 9.8 points.
JAX to JFK is at its best against routes of similar length for flights scheduled at 12 PM: 86.5% arrive on time, 6.9 points ahead of the 79.6% those routes manage at that hour. Against all other routes the gap is 7.1 points.
In December, JAX to JFK runs 7.6 points below routes of similar length, 71.0% on time to 78.6%. Against all other routes the gap is 7.8 points.
Delta Air Lines’ flights on JAX to JFK arrive on time 74.8% of the time, 5.7 points below the 80.5% it manages on its routes of similar length. Against all other routes the gap is 6.7 points.
Republic Airways does better on JAX to JFK than on its routes of similar length: 86.7% on time here, 81.7% there, 5 points apart. Against all other routes the gap is 4.6 points.
JAX to JFK against comparable routes
July 2023 – July 2026| Measure | This route | Compared with | Them | Gap | Flights behind it |
|---|---|---|---|---|---|
| Hour: 7 PM departures | 58.0% | routes of similar length | 66.8% | −8.8 pts | 250 here, 140,571 there |
| Hour: 12 PM departures | 86.5% | routes of similar length | 79.6% | +6.9 pts | 399 here, 138,555 there |
| Month: December | 71.0% | routes of similar length | 78.6% | −7.6 pts | 452 here, 194,097 there |
| Airline: Delta Air Lines | 74.8% | routes of similar length | 80.5% | −5.7 pts | 988 here, 316,815 there |
| Airline: Republic Airways | 86.7% | routes of similar length | 81.7% | +5.0 pts | 720 here, 99,823 there |
Each comparison pools the flights of other routes, with this route’s own left out. Similar length means within 15% of this route’s 828 miles, with at least 5 such routes. A bucket is set against the most comparable group that has enough flights: similar length, then the same origin (at least 3 routes), then all other routes. Hours, weekdays and months appear only where both sides have 120 completed flights, and airlines where both have 600. The gap must be at least 2 points and 2 standard errors, and only the largest gap each way is kept per measure. These are differences in the flights counted, not causes.
Why JAX → JFK flights are cancelled
July 2023 – July 2026
JAX → JFK cancelled 160 of 4,746 scheduled flights — about 1 in every 30. The reason filed most often was the air traffic system, 46.9% of the cancellations coded on this route — about 1 in every 63 scheduled flights.
Share of cancellations
Of 160 cancelled departures carrying a reason code.
What each reason means
Airport capacity, air traffic control flow programs, heavy traffic and ordinary bad weather. A system decision, not the airline’s.
75 cancellations, 46.9% of the total.
Conditions the carrier judged severe enough to stop the flight: a blizzard, a hurricane, a line of thunderstorms.
45 cancellations, 28.1% of the total.
Crew, maintenance, aircraft cleaning, baggage or fueling: what BTS counts as within the carrier’s own control.
40 cancellations, 25.0% of the total.
A terminal evacuation, a security breach, screening equipment failure, or screening queues over 29 minutes.
0 cancellations, 0.0% of the total.
Reason codes are the operating airline’s own filing with US DOT, not an independent finding of fault. Ordinary bad weather is filed under air traffic, so weather’s full share is larger than its bar.
160 coded cancellations were recorded on JAX → JFK; the section appears from 50.
When it goes wrong
July 2023 – July 2026
66 min late
against a median of 7 min early
JAX → JFK has an average that understates its risk: a typical arrival is 7 min early, but the worst tenth are 73 minutes worse than that. If the trip has something unmissable at the end of it, the median is the wrong number to plan against.
Percentiles over 4,746 operations; cancelled and diverted flights are counted separately.
Will your connection be tight enough?
Layovers at JFK after arriving from JAX.
| Connection time | Chance of missing | Reads as |
|---|---|---|
| 30 min | 35% | Likely to miss |
| 45 min | 22% | High risk |
| 60 min | 16% | High risk |
| 90 min | 11% | Some risk |
| 120 min | 7.1% | Some risk |
This is one leg of a connection. Gate changes and the next flight's own schedule matter too. And a connection can fail before delay is even the question — this route cancels 3.37% of the time and diverts 0.27% of the time, which a late arrival never shows up in.
Chance of missing is the share of 4,573 arrivals on this route that landed later than the connection time less 30 minutes to reach the next gate.
The worst tenth of arrivals on this route land at least 66 minutes late (90th-percentile gate arrival delay), over 4,746 operations.
Any other layover length: connection checker.
Best time to fly
JAX → JFK flights departing 5–9 AM arrived on time 89.8% of the time, against 63.8% for 6–9 PM departures, a gap of 26.0 percentage points.
By departure window
By departure hour
- 12 AM to 5 AM: too few flights to score
- 6 AM: 88.4% on time from 504 flights
- 7 AM: 90.8% on time from 669 flights
- 8 AM: too few flights to score
- 9 AM: 82.6% on time from 137 flights
- 10 AM: 79.0% on time from 669 flights
- 11 AM: 80.3% on time from 313 flights
- 12 PM: 86.5% on time from 408 flights
- 1 PM: too few flights to score
- 2 PM: 65.2% on time from 166 flights
- 3 PM to 4 PM: too few flights to score
- 5 PM: 67.4% on time from 828 flights
- 6 PM: 65.0% on time from 510 flights
- 7 PM: 58.0% on time from 266 flights
- 8 PM: 69.3% on time from 158 flights
- 9 PM to 11 PM: too few flights to score
Departure windows with fewer than 120 flights are not scored.
Why JAX → JFK runs late
July 2023 – July 2026
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 JAX → JFK. Only delays of 15 minutes or more are attributed.
Late-arriving aircraft is the largest cause on JAX → JFK, at 38.9%: flights here mostly leave late because the plane came in late, and the day shows it: 5–9 AM departures arrived on time 89.8% of the time and 6–9 PM departures 63.8%.
Airlines on this route
Carriers with at least 200 flights, by the airline that operated each one.
| Carrier | Flights | On time | Cancelled | Median delay | Severe |
|---|---|---|---|---|---|
| JetBlue | 2,490 | 73.0% | 3.82% | -5 min | 12.4% |
| Delta Air Lines | 1,016 | 74.8% | 2.07% | -9 min | 12.6% |
| Republic Airways | 745 | 86.7% | 3.36% | -11 min | 6.1% |
| Endeavor Air | 495 | 86.8% | 3.84% | -10 min | 5.9% |
JetBlue flew 52.5% of the 4,746 flights listed. Endeavor Air cancelled 3.84% of its flights here against 2.07% for Delta Air Lines.
Endeavor Air arrived on time 13.8 percentage points more often than JetBlue on this route.
Flights on this route
Flight numbers with at least 600 operations here and still on the schedule.
Weekly and seasonal patterns
By day of week
Tuesday is historically the most reliable day and Sunday the least, a gap of 8.8 percentage points.
By month
- Jan: 78.3%
- Feb: 82.0%
- Mar: 81.0%
- Apr: 81.1%
- May: 77.1%
- Jun: 71.6%
- Jul: 64.0%
- Aug: 71.4%
- Sep: 79.6%
- Oct: 83.4%
- Nov: 85.2%
- Dec: 71.0%
July is historically the weakest month and November the strongest, a spread of 21.2 percentage points.
Reliability over time
July 2023 – July 2026
- July 2023: 67.2% from 150 flights
- August 2023: 76.4% from 151 flights
- September 2023: 77.3% from 139 flights
- October 2023: 85.8% from 155 flights
- November 2023: 85.8% from 155 flights
- December 2023: 78.1% from 153 flights
- January 2024: 77.3% from 130 flights
- February 2024: 82.8% from 131 flights
- March 2024: 81.7% from 155 flights
- April 2024: 78.4% from 150 flights
- May 2024: 77.6% from 155 flights
- June 2024: 76.9% from 150 flights
- July 2024: 70.3% from 155 flights
- August 2024: 64.0% from 155 flights
- September 2024: 82.8% from 165 flights
- October 2024: 87.1% from 172 flights
- November 2024: 91.2% from 170 flights
- December 2024: 69.7% from 180 flights
- January 2025: 79.6% from 152 flights
- February 2025: 81.8% from 135 flights
- March 2025: too few flights to score (104)
- April 2025: too few flights to score (89)
- May 2025: too few flights to score (117)
- June 2025: too few flights to score (98)
- July 2025: too few flights to score (92)
- August 2025: too few flights to score (93)
- September 2025: too few flights to score (112)
- October 2025: too few flights to score (114)
- November 2025: too few flights to score (118)
- December 2025: 64.2% from 134 flights
- January 2026: too few flights to score (75)
- February 2026: too few flights to score (56)
- March 2026: too few flights to score (81)
- April 2026: too few flights to score (91)
- May 2026: 84.9% from 120 flights
- June 2026: too few flights to score (101)
- July 2026: too few flights to score (93)
Over the most recent 12 months (2025-08 to 2026-07), on-time arrivals averaged 74.9% against 76.3% in the 12 months before — broadly unchanged.
Data and methodology
Calculated by FlyerIntel from 4,746 JAX → JFK flight records from the US DOT Bureau of Transportation Statistics, covering July 2023 – July 2026. Late means 15 or more minutes past scheduled arrival; cancelled and diverted flights are left out of on-time rates.
Full methodology · Data sources · Report a problem
Related research: How Long a Layover Needs to Be · Two Airlines on One Route · Best Time of Day to Fly From Major US Airports
Analysis last recomputed