SEA → AUSSeattle to Austin

live

Direct flights from Seattle (SEA) to Austin (AUS): 21 nonstop departures observed each week across 3 airlines. 100% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 20 minutes early. No cancellations were recorded across the 6 tracked flights. The nonstop covers 2,847 km, an estimated 4 hours 9 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Austin. Updated 8 September 2026 at 17:16 UTC.

SEA Seattle busy · +20
AUS Austin smooth · +0
2,847 km · ~4h 09m est.
dep bank 07:15–17:5521x weekly
Runs reliable · 3 airlines · 21x weekly · nonstop
100% on time

of the last 6 operated SEA → AUS flights arrived within 15 minutes

Median arrival delay is −20 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−20 minacross the last 6 operated legs
Flight time~4h 09mestimated from route distance
Weekly departures21x3 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesDelta Air LinesSouthwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Alaska AirlinesAS

Flights AS352 09:00 daily · AS502 11:44 daily · AS372 17:06 daily

Delta Air LinesDL

Flights DL739 07:15 daily · DL831 11:05 daily · DL848 17:55 daily

Southwest AirlinesWN

Flights WN142 10:50 Mo Fr · WN4506 varies Mo Tu We Th Fr Su · WN1034 15:05 Sa

History

operated legs · board outcomes
09-08AS352dep +19 → arr−16
09-08DL739dep +13 → arr−20
09-07AS352arrived−28
09-07AS372arrived−30
09-07AS502arrived−24
09-07DL739arrived−12

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SEASeattle +20 min busy 🌤 few clouds · N 7 kt Full SEA delay board →
AUSAustin +0 min smooth 🌤 few clouds · S 8 kt Full AUS delay board →

Weather lens

Current conditions put the pressure at SEA and AUS: 37% odds of a 15+ minute delay and around +2 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Seattle to Austin route actually runs

Pro Flight Search records official board updates for nonstop SEA to AUS flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Seattle (SEA) to Austin (AUS) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SEA-AUS
How we measure this →

SEA to AUS questions

Is SEA–AUS running on time right now?

Smooth skies ahead. The departure side at SEA is the weaker end, route health score 87/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–AUS?

Operators schedule morning departures around 07:15 and evening departures around 17:06 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the AUS delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to AUS?

Great-circle distance is 2,847 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 231–274 min gate-to-gate on this route.

How often does SEA–AUS fly?

3 carriers operate this route, around 51 flights a week between them. Compare carrier days and times in the airline list above.