Flights Seattle → San Antonio
SEA → SAT
Route overview
The flight route from Seattle to San Antonio has a 75% on-time performance rate, with an average delay of 8.7 minutes when flights are not on time. The destination airport in San Antonio, which opened in 1942, serves over 9 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Seattle (SEA) → San Antonio (SAT) route is operated by Alaska Airlines. Across 126 flights monitored in recent months, 75% arrived on time (within 15 min of schedule), with an average delay of 9 minutes. The cancellation rate is 2.38%. FlightGuard's average computed risk is 16.5/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At San Antonio the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Seattle the average ATFM delay is 2.0 minutes.
Heading to San Antonio: what to expect in this direction
Flying from Seattle (SEA) to San Antonio (SAT) heads south-east for about 2,854 km, a flight time of roughly 3h 59m.
Departures from Seattle on this leg cluster in the overnight window: about 95% of SEA-SAT flights take off then.
Air-traffic congestion: departing Seattle the average ATFM delay is 2.0 min (atfm); arriving into San Antonio it is 2.0 min (atfm).
Across 126 tracked SEA-SAT flights, 75% left on time with an average delay of 9 min and a 2.4% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
Airlines operating SEA-SAT
Airports
Frequently asked questions about SEA-SAT
On the Seattle (SEA) -> San Antonio (SAT) route, on-time performance is 75% with an average delay of 9 minutes, based on 126 tracked flights.
The cancellation rate on Seattle-San Antonio is 2.38% across 126 monitored flights.
The route is operated by 1 airline: Alaska Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at San Antonio, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
