Route profile
EWR→AUS
Flight reliability, delays and best times to fly from Newark to Austin, 1,504 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 23% of comparable major US routes (4,598 compared)
Calculated from 6,032 flights. How this is calculated
EWR → AUS arrives on time 77.5% of the time; the return trip, AUS → EWR, arrives on time 77.4% of the time.
EWR → AUS spends 31.6 minutes on the ground on a 1,504-mile trip: 23.8 minutes from pushback to wheels-up at EWR and 7.8 minutes from touchdown to gate at AUS.
Source: US DOT Bureau of Transportation Statistics · Data covering July 2023 – July 2026
What sets this route apart
Where EWR to AUS differs most from similar routes by hour, weekday, month and airline, July 2023 – July 2026.
EWR to AUS is at its best against routes of similar length for flights scheduled at 11 AM: 89.4% arrive on time, 11.3 points ahead of the 78.1% those routes manage at that hour. Against all other routes the gap is 8.4 points.
EWR to AUS struggles most at 4 PM: 63.5% of its flights scheduled then arrive on time, 7.4 points behind the 70.9% on routes of similar length at the same hour. Against all other routes the gap is 7.2 points.
In July, EWR to AUS runs 6.9 points below routes of similar length, 63.0% on time to 69.9%. Against all other routes the gap is 6.7 points.
June is kinder to EWR to AUS than to routes of similar length: 76.3% on time against 71.7%, 4.6 points better.
United Airlines’ flights on EWR to AUS arrive on time 77.7% of the time, 3.1 points below the 80.8% it manages on its routes of similar length. Against all other routes the gap is 2.2 points.
EWR to AUS against comparable routes
July 2023 – July 2026| Measure | This route | Compared with | Them | Gap | Flights behind it |
|---|---|---|---|---|---|
| Hour: 11 AM departures | 89.4% | routes of similar length | 78.1% | +11.3 pts | 509 here, 83,705 there |
| Hour: 4 PM departures | 63.5% | routes of similar length | 70.9% | −7.4 pts | 222 here, 81,882 there |
| Month: July | 63.0% | routes of similar length | 69.9% | −6.9 pts | 629 here, 171,981 there |
| Month: June | 76.3% | routes of similar length | 71.7% | +4.6 pts | 413 here, 127,620 there |
| Airline: United Airlines | 77.7% | routes of similar length | 80.8% | −3.1 pts | 5,006 here, 341,720 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 1,504 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 EWR → AUS flights are cancelled
July 2023 – July 2026
EWR → AUS cancelled 149 of 6,032 scheduled flights — about 1 in every 40. The reason filed most often was extreme weather, 59.7% of the cancellations coded on this route — about 1 in every 68 scheduled flights.
Share of cancellations
Of 149 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.
89 cancellations, 59.7% of the total.
Crew, maintenance, aircraft cleaning, baggage or fueling: what BTS counts as within the carrier’s own control.
42 cancellations, 28.2% of the total.
Airport capacity, air traffic control flow programs, heavy traffic and ordinary bad weather. A system decision, not the airline’s.
18 cancellations, 12.1% 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. With only one or two carriers on the route, the split mostly reflects how they file. Ordinary bad weather is filed under air traffic, so weather’s full share is larger than its bar.
149 coded cancellations were recorded on EWR → AUS; the section appears from 50.
When it goes wrong
July 2023 – July 2026
57 min late
against a median of 8 min early
EWR → AUS has an average that understates its risk: a typical arrival is 8 min early, but the worst tenth are 65 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 6,032 operations; cancelled and diverted flights are counted separately.
Will your connection be tight enough?
Layovers at AUS after arriving from EWR.
| 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 | 9.4% | Some risk |
| 120 min | 5.9% | 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 2.47% of the time and diverts 0.22% of the time, which a late arrival never shows up in.
Chance of missing is the share of 5,870 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 57 minutes late (90th-percentile gate arrival delay), over 6,032 operations.
Any other layover length: connection checker.
Best time to fly
EWR → AUS flights departing 5–9 AM arrived on time 89.7% of the time, against 68.2% for 6–9 PM departures, a gap of 21.5 percentage points.
By departure window
By departure hour
- 12 AM to 5 AM: too few flights to score
- 6 AM: 90.3% on time from 766 flights
- 7 AM: 89.2% on time from 391 flights
- 8 AM: too few flights to score
- 9 AM: 76.1% on time from 212 flights
- 10 AM: 81.0% on time from 408 flights
- 11 AM: 89.4% on time from 520 flights
- 12 PM: 78.6% on time from 350 flights
- 1 PM: 73.8% on time from 337 flights
- 2 PM: 74.1% on time from 207 flights
- 3 PM: 74.3% on time from 690 flights
- 4 PM: 63.5% on time from 237 flights
- 5 PM: 76.5% on time from 259 flights
- 6 PM: 69.1% on time from 375 flights
- 7 PM: 68.3% on time from 311 flights
- 8 PM: 67.7% on time from 850 flights
- 9 PM to 11 PM: too few flights to score
Departure windows with fewer than 120 flights are not scored.
Why EWR → AUS 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 EWR → AUS. Only delays of 15 minutes or more are attributed.
Late-arriving aircraft is the largest cause on EWR → AUS, at 42.6%: flights here mostly leave late because the plane came in late, and the day shows it: 5–9 AM departures arrived on time 89.7% of the time and 6–9 PM departures 68.2%.
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 |
|---|---|---|---|---|---|
| United Airlines | 5,123 | 77.7% | 2.13% | -8 min | 9.3% |
| Spirit Airlines | 835 | 75.1% | 4.67% | -7 min | 11.3% |
United Airlines flew 86.0% of the 5,958 flights listed. Spirit Airlines cancelled 4.67% of its flights here against 2.13% for United Airlines.
United Airlines arrived on time 2.6 percentage points more often than Spirit Airlines 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 10.7 percentage points.
By month
- Jan: 76.9%
- Feb: 81.8%
- Mar: 82.5%
- Apr: 81.8%
- May: 74.0%
- Jun: 76.3%
- Jul: 63.0%
- Aug: 76.3%
- Sep: 80.2%
- Oct: 83.4%
- Nov: 80.2%
- Dec: 76.3%
July is historically the weakest month and October the strongest, a spread of 20.4 percentage points.
Reliability over time
July 2023 – July 2026
- July 2023: 54.5% from 210 flights
- August 2023: 74.9% from 187 flights
- September 2023: 73.1% from 191 flights
- October 2023: 88.8% from 189 flights
- November 2023: 89.2% from 186 flights
- December 2023: 86.2% from 130 flights
- January 2024: 76.4% from 137 flights
- February 2024: 83.6% from 135 flights
- March 2024: 84.7% from 150 flights
- April 2024: 77.3% from 157 flights
- May 2024: 70.5% from 170 flights
- June 2024: 79.1% from 144 flights
- July 2024: 67.4% from 142 flights
- August 2024: 74.1% from 122 flights
- September 2024: 82.4% from 125 flights
- October 2024: 85.7% from 182 flights
- November 2024: 78.5% from 197 flights
- December 2024: 77.2% from 167 flights
- January 2025: 72.8% from 153 flights
- February 2025: 75.6% from 136 flights
- March 2025: 79.9% from 160 flights
- April 2025: 83.8% from 138 flights
- May 2025: 67.4% from 137 flights
- June 2025: 72.9% from 130 flights
- July 2025: 63.7% from 173 flights
- August 2025: 79.6% from 159 flights
- September 2025: 86.7% from 160 flights
- October 2025: 75.5% from 185 flights
- November 2025: 73.6% from 204 flights
- December 2025: 69.4% from 215 flights
- January 2026: 80.8% from 180 flights
- February 2026: 86.1% from 147 flights
- March 2026: 83.0% from 205 flights
- April 2026: 84.1% from 188 flights
- May 2026: 84.0% from 145 flights
- June 2026: 76.6% from 146 flights
- July 2026: 69.3% from 150 flights
Over the most recent 12 months (2025-08 to 2026-07), on-time arrivals averaged 78.8% against 76.3% in the 12 months before — improving by 2.5 percentage points.
Data and methodology
Calculated by FlyerIntel from 6,032 EWR → AUS 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