Phoenix (PHX) to Austin (AUS): On-Time Performance
Data through May 2026
Phoenix (PHX) to Austin (AUS) effectively runs on two schedules. In February 2025, 88% of arrivals were on time; in November 2025 that fell to 69% — a 19-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 69%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 9.3
- last 12 months
- Duration
- 2h 15m
- scheduled
- Distance
- 872 mi
Best airline from PHX to AUS
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Frontier Airlinesmost reliable | 81% | 15 min | 0.5% | 206 |
| Southwest Airlines | 79% | 11 min | 0.6% | 4,030 |
| American Airlines | 78% | 16 min | 0.6% | 2,520 |
Monthly on-time trend
Best time to fly from PHX to AUS
Aim for departures around 6 a.m. (98% on-time); avoid 9 p.m. departures (49%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 16 min |
| Tuesdaybest | 84% | 9 min |
| Wednesday | 81% | 11 min |
| Thursday | 78% | 14 min |
| Friday | 75% | 15 min |
| Saturday | 82% | 12 min |
| Sunday | 75% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations34%
- National airspace system15%
- Weather2%
Frequently asked questions
- How often are flights from PHX to AUS delayed?
- 21% of PHX–AUS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from PHX to AUS?
- Frontier Airlines has the best on-time record on this route at 81%, based on 206 flights. 3 airlines flew PHX–AUS frequently enough to compare in this period.
- What is the best time of day to fly from PHX to AUS?
- Departures around 6 a.m. have the best record (98% on-time), while departures around 9 p.m. have the worst (49%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHX to AUS?
- The scheduled PHX–AUS flight time averages 2h 15m over 872 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are PHX to AUS flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from PHX to AUS?
- November 2025 was the roughest month in this dataset, with only 69% of arrivals on time. The best was February 2025 at 88%. If your dates are flexible, that 19-point gap is worth planning around.
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Based on 6,812 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.