Newark (EWR) to Austin (AUS): On-Time Performance
Data through July 2026
The calendar drives reliability on EWR–AUS. September 2025 flights landed on schedule 86% of the time, but July 2025 dropped to 64% — a gap of 23 points. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 68%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 2.3%
- Flights/day
- 5.7
- last 12 months
- Duration
- 4h 11m
- scheduled
- Distance
- 1,504 mi
Best airline from EWR to AUS
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 77% | 18 min | 1.7% | 3,422 |
| Spirit Airlines | 75% | 21 min | 5.9% | 577 |
Monthly on-time trend
Best time to fly from EWR to AUS
Aim for departures around 6 a.m. (92% on-time); avoid 9 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 19 min |
| Tuesdaybest | 85% | 12 min |
| Wednesday | 80% | 14 min |
| Thursday | 73% | 19 min |
| Friday | 76% | 17 min |
| Saturday | 77% | 18 min |
| Sunday | 71% | 27 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft43%
- Airline operations27%
- National airspace system26%
- Weather5%
Frequently asked questions
- How often are flights from EWR to AUS delayed?
- 23% of EWR–AUS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 18 minutes.
- Which airline is most reliable from EWR to AUS?
- United Airlines has the best on-time record on this route at 77%, based on 3,422 flights. 2 airlines flew EWR–AUS frequently enough to compare in this period.
- What is the best time of day to fly from EWR to AUS?
- Departures around 6 a.m. have the best record (92% on-time), while departures around 9 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EWR to AUS?
- The scheduled EWR–AUS flight time averages 4h 11m over 1,504 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are EWR to AUS flights cancelled?
- 2.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from EWR to AUS?
- July 2025 was the roughest month in this dataset, with only 64% of arrivals on time. The best was September 2025 at 86%. If your dates are flexible, that 23-point gap is worth planning around.
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Based on 4,046 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.