SAT to PHX flight delays & on-time performance
Nonstop flights from San Antonio International Airport to Phoenix Sky Harbor International Airport · 843 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SAT or PHX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from San Antonio (SAT) to Phoenix (PHX) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.4% were cancelled, and 7% arrived an hour or more late.
- Southwest Airlines was the most punctual airline here (83% on time); American Airlines was the least (80%).
- Departures scheduled around 6am did best (95% on time); around 3pm did worst (60%).
- Tuesday was the most reliable day to fly (89% on time) and Sunday the least (77%).
- The largest source of delay minutes was late-arriving aircraft (59%).
Which airline is most on time from SAT to PHX?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 83% | 0.2% | 9 min | 4.0% | 1,378 |
| Frontier Airlines | 83% | 0.0% | 11 min | 4.6% | 65 |
| American Airlines | 80% | 0.8% | 24 min | 10.5% | 997 |
| Envoy AirRegional airline operating American Eagle flights. | 77% | 0.0% | 10 min | 4.3% | 69 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am98%52 flights
- 6am95%354 flights
- 7am96%55 flights
- 8am87%254 flights
- 9am90%120 flights
- 10am84%43 flights
- 11am88%224 flights
- 12pm90%101 flights
- 1pm90%79 flights
- 2pm82%303 flights
- 3pm60%161 flights
- 4pm76%74 flights
- 5pm69%86 flights
- 6pm75%227 flights
- 7pm67%211 flights
- 8pm65%107 flights
- 9pm69%55 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%0.8% cancelled
- Tuesday89%0.6% cancelled
- Wednesday82%0.0% cancelled
- Thursday80%0.0% cancelled
- Friday82%0.8% cancelled
- Saturday84%0.4% cancelled
- Sunday77%0.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft59%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion9%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather73%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion0%
- Security0%
SAT to PHX: common questions
- How often are SAT to PHX flights on time?
- 82% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Antonio to Phoenix cancelled?
- 0.4% of scheduled flights were cancelled (11 of 2,509).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 78 min behind schedule on average, and 6.6% of flights were an hour or more late.
- How long is taxi time at SAT?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PHX to SAT — 77% on time
More flights from San Antonio
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SAT → PHX, nonstop flights by US airlines that report to the DOT. How we calculate this.