Flights San Antonio → Seattle
SAT → SEA
Route overview
The flight route from San Antonio to Seattle has a 74% on-time performance rate, with an average delay of 10.3 minutes when flights are not on time. Over the past year, this route has seen 89 total flights, connecting passengers from San Antonio International Airport, which opened in 1942, to one of the busiest airports in the United States, Seattle-Tacoma International Airport, serving over 52 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 San Antonio (SAT) → Seattle (SEA) route is operated by Alaska Airlines. Across 127 flights monitored in recent months, 74% arrived on time (within 15 min of schedule), with an average delay of 11 minutes. The cancellation rate is 3.15%. FlightGuard's average computed risk is 24.3/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seattle the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from San Antonio the average ATFM delay is 2.0 minutes.
Heading to Seattle: what to expect in this direction
Flying from San Antonio (SAT) to Seattle (SEA) heads north-west for about 2,854 km, a flight time of roughly 3h 59m.
Departures from San Antonio on this leg cluster in the midday window: about 67% of SAT-SEA flights take off then.
Air-traffic congestion: departing San Antonio the average ATFM delay is 2.0 min (atfm); arriving into Seattle it is 2.0 min (atfm).
Across 127 tracked SAT-SEA flights, 74% left on time with an average delay of 11 min and a 3.1% 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 SAT-SEA
Airports
Frequently asked questions about SAT-SEA
On the San Antonio (SAT) -> Seattle (SEA) route, on-time performance is 74% with an average delay of 11 minutes, based on 127 tracked flights.
The cancellation rate on San Antonio-Seattle is 3.15% across 127 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 Seattle, 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.
