San Antonio International Airport (SAT) delays & on-time performance
San Antonio, Texas · 40 nonstop destinations · 11 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SAT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
82%
arrived < 15 min late
Cancelled
1.2%
496 flights
Avg arrival delay
14 min
74 min when late
Departed on time
81%
avg taxi-out 13 min
Figures cover 40,226 departures from SAT; on-time is measured at arrival. Arrivals into SAT were on time 77% of the time.
Key facts
- Flights departing San Antonio International Airport (SAT) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.2% were cancelled, and 6% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (86% on time); Southwest Airlines was the least (80%).
- Departures scheduled around 5am did best (94% on time); around 8pm did worst (62%).
- The largest source of delay minutes was late-arriving aircraft (42%).
Most delayed routes from SAT
Lowest on-time arrival rates among regularly flown routes.
- HOU · Houston75%1,347 flts
- ORD · Chicago77%1,979 flts
- MDW · Chicago77%661 flts
- MCO · Orlando77%1,054 flts
- BNA · Nashville78%952 flts
- DFW · Dallas/Fort Worth78%4,375 flts
- SAN · San Diego78%610 flts
- TPA · Tampa78%374 flts
- SEA · Seattle79%558 flts
- LAS · Las Vegas80%2,040 flts
Most reliable routes from SAT
Highest on-time arrival rates among regularly flown routes.
- IAD · Washington94%641 flts
- DTW · Detroit91%944 flts
- MIA · Miami89%483 flts
- CLT · Charlotte87%1,378 flts
- SLC · Salt Lake City87%1,009 flts
- LAX · Los Angeles86%1,846 flts
- SFO · San Francisco86%434 flts
- ATL · Atlanta86%2,999 flts
- STL · St. Louis86%548 flts
- EWR · Newark86%575 flts
Best airline at SAT
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| PSA Airlines | 100% | 0.0% | 1 min | 1 | 5 |
| Delta Air Lines | 86% | 1.5% | 12 min | 8 | 6,848 |
| SkyWest Airlines | 86% | 1.2% | 17 min | 6 | 1,631 |
| United Airlines | 84% | 0.8% | 13 min | 6 | 5,664 |
| American Airlines | 81% | 2.4% | 22 min | 7 | 7,449 |
| Southwest Airlines | 80% | 0.5% | 11 min | 22 | 15,197 |
| Spirit Airlines | 79% | 3.6% | 19 min | 8 | 824 |
| Alaska Airlines | 79% | 1.3% | 13 min | 1 | 558 |
| Frontier Airlines | 78% | 0.5% | 20 min | 5 | 926 |
| Envoy Air | 76% | 2.6% | 19 min | 4 | 1,023 |
| Republic Airways | 75% | 5.0% | 14 min | 1 | 101 |
Best time to fly out of SAT
On-time arrival rate by scheduled departure hour (local time).
- 5am94%3,291 flts
- 6am92%4,846 flts
- 7am90%3,803 flts
- 8am89%1,990 flts
- 9am87%1,620 flts
- 10am87%1,587 flts
- 11am86%2,269 flts
- 12pm82%2,889 flts
- 1pm78%2,548 flts
- 2pm77%2,716 flts
- 3pm75%1,913 flts
- 4pm74%2,977 flts
- 5pm70%2,497 flts
- 6pm73%2,521 flts
- 7pm68%1,389 flts
- 8pm62%973 flts
Monthly trend
Why departures were late
- Late-arriving aircraft42%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion20%
- Extreme weather8%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.