Best Time to Fly AUS to PHX: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Phoenix Sky Harbor International
Data through July 2026 · Last updated October 18, 2026
3,388 flights were scheduled from Austin (AUS) to Phoenix (PHX) in the last 12 months, and 78.9% of those that flew arrived on time, 1.3 points above the US average of 77.6%.
American Airlines was the most punctual of the 3 airlines on the route at 81.7%, while Frontier Airlines trailed at 76.8%.
February has been the best month (87% on time) and Sunday the weakest day of the week (78%).
0.8% of flights were cancelled, versus 1.8% nationally.
AUS to PHX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| American Airlines | 81.7% | 135 min | 0.9% | 1,197 |
| Southwest Airlines | 77.3% | 53 min | 0.6% | 1,994 |
| Frontier Airlines | 76.8% | 114 min | 2.1% | 145 |
| Envoy Air | Limited data | 27 | ||
| SkyWest Airlines | Limited data | 25 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to PHX
On-time arrival % by scheduled departure hour (local time), 6,770 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.8% | 1.1% | 180 |
| 6am–7am | 93.4% | 1.1% | 1,098 |
| 7am–8am | 96.2% | 0.8% | 133 |
| 8am–9am | 87.9% | 0.0% | 99 |
| 9am–10am | 90.6% | 1.2% | 259 |
| 10am–11am | 88.5% | 0.5% | 219 |
| 11am–12pm | 89.0% | 0.5% | 403 |
| 12pm–1pm | 81.0% | 0.5% | 868 |
| 1pm–2pm | 79.3% | 0.8% | 245 |
| 2pm–3pm | 82.2% | 0.4% | 904 |
| 3pm–4pm | 71.6% | 1.6% | 308 |
| 4pm–5pm | 72.8% | 1.2% | 253 |
| 5pm–6pm | 67.1% | 0.2% | 393 |
| 6pm–7pm | 74.0% | 0.7% | 569 |
| 7pm–8pm | 65.6% | 0.7% | 284 |
| 8pm–9pm | 64.2% | 1.3% | 224 |
| 9pm–10pm | 70.5% | 0.0% | 259 |
| 10pm–11pm | 73.2% | 1.4% | 72 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on AUS to PHX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 75.6% | -6.9 pts | 0.0% | 135 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.1% | -1.4 pts | 0.3% | 282 |
| Summer peak (Jun 15 - Aug 15) | 75.0% | -7.5 pts | 0.5% | 1,051 |
| All other days | 82.5% | — | 0.8% | 5,302 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).