San Antonio (SAT) to Phoenix (PHX): On-Time Performance
Data through May 2026
When you fly SAT to PHX matters as much as anything else about the booking: the route swung from 93% on-time in November 2024 to just 71% in June 2025. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 74%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 6.9
- last 12 months
- Duration
- 2h 30m
- scheduled
- Distance
- 843 mi
Best airline from SAT to PHX
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 87% | 18 min | 0.0% | 130 |
| Southwest Airlines | 85% | 9 min | 0.4% | 2,901 |
| Frontier Airlines | 83% | 11 min | 0.0% | 65 |
| American Airlines | 83% | 19 min | 0.9% | 2,073 |
Monthly on-time trend
Best time to fly from SAT to PHX
Aim for departures around 6 a.m. (96% on-time); avoid 8 p.m. departures (65%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 14 min |
| Tuesdaybest | 87% | 13 min |
| Wednesday | 86% | 13 min |
| Thursday | 81% | 13 min |
| Friday | 85% | 13 min |
| Saturday | 86% | 11 min |
| Sunday | 82% | 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 aircraft56%
- Airline operations32%
- National airspace system8%
- Weather5%
Frequently asked questions
- How often are flights from SAT to PHX delayed?
- 16% of SAT–PHX 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 SAT to PHX?
- SkyWest Airlines has the best on-time record on this route at 87%, based on 130 flights. 4 airlines flew SAT–PHX frequently enough to compare in this period.
- What is the best time of day to fly from SAT to PHX?
- Departures around 6 a.m. have the best record (96% on-time), while departures around 8 p.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SAT to PHX?
- The scheduled SAT–PHX flight time averages 2h 30m over 843 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are SAT to PHX 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 SAT to PHX?
- June 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was November 2024 at 93%. If your dates are flexible, that 22-point gap is worth planning around.
Explore related pages
More routes from SAT
Based on 5,185 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.