Flights Seattle → Austin
SEA → AUS
How long is the flight from Seattle to Austin?
The flight from Seattle (SEA) to Austin (AUS) takes 3h 45m on average. That is the median time recorded across 5 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Seattle to Austin operates with a Boeing 737-900 aircraft and has an on-time performance rate of 85%, with an average delay of 7.1 minutes per flight. Over the course of a year, this route sees 466 flights, serving one of the busiest airports in terms of annual passenger traffic at 21,089,289 passengers.
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) → Austin (AUS) route is operated by Alaska Airlines. Across 1279 flights monitored in recent months, 79% arrived on time (within 15 min of schedule), with an average delay of 10 minutes. The cancellation rate is 1.17%. FlightGuard's average computed risk is 23.5/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Austin the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Seattle the average ATFM delay is 5.5 minutes.
Heading to Austin: what to expect in this direction
Flying from Seattle (SEA) to Austin (AUS) heads south-east for about 2,848 km, a flight time of roughly 3h 45m.
Departures from Seattle on this leg cluster in the overnight window: about 62% of SEA-AUS flights take off then.
Air-traffic congestion: departing Seattle the average ATFM delay is 5.5 min (atfm); arriving into Austin it is 5.5 min (atfm).
Across 1,279 tracked SEA-AUS flights, 79% left on time with an average delay of 10 min and a 1.2% 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) | 85% | -1 min | 0.5% |
Airlines operating SEA-AUS
Airports
Frequently asked questions about SEA-AUS
The flight from Seattle (SEA) to Austin (AUS) takes 3h 45m on average. That is the median time recorded across 5 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Seattle (SEA) -> Austin (AUS) route, on-time performance is 79% with an average delay of 10 minutes, based on 1279 tracked flights.
The cancellation rate on Seattle-Austin is 1.17% across 1279 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 Austin, 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.
