SEA → AUSSeattle to Austin

live

Direct flights from Seattle (SEA) to Austin (AUS): 46 nonstop departures observed each week across 3 airlines. 42% of the last 12 tracked flights arrived within 15 minutes of schedule. The median arrival is 15 minutes early. 4 of the 12 tracked flights were cancelled. 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 15 November 2026 at 14:48 UTC.

Today, SEA → AUS

Sun 15 Nov · local times
  1. 07:15 DL739Delta Airlines On scheduleGate S1 AUS est. 13:03sched 13:30
  2. 08:13 AS352Alaska Air On scheduleGate C11 AUS est. 14:12sched 14:31
  3. 08:30 WN4519Southwest Airlines On scheduleGate B12 AUS est. 14:14sched 14:30
  4. 11:10 DL831Delta Airlines On scheduleGate A12A AUS 17:14scheduled
  5. 11:42 AS374Alaska Air On scheduleGate N9 AUS 18:04scheduled
  6. 17:09 AS375Alaska On scheduleGate N13 ·
  7. 17:45 DL848Delta Air Lines On scheduleGate A5 ·

Checked SEA board 06:37 · AUS board 08:48

SEA Seattle disrupted · +63
AUS Austin smooth · +0
2,847 km · ~4h 09m est.
dep bank 07:15–17:4046x weekly
Runs rough · 3 airlines · 46x weekly · nonstop
42% on time

of the last 12 tracked SEA → AUS flights arrived within 15 minutes

Median arrival delay is −15 min. 4 of 12 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−15 minacross the last 8 arrivals
Flight time~4h 09mestimated from route distance
Weekly departures46x3 direct airlines on the leg
Cancelled33.3%recent route rate · 4 of 12

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 AirlinesAS40% on time

Flights AS352 08:13 daily · AS374 11:42 daily · AS375 17:09 Mo We Th Fr Su

Delta Air LinesDL60% on time

Flights DL739 07:15 daily · DL831 11:10 Mo Tu We Th Fr Su · DL848 varies daily

Southwest AirlinesWN

Flights WN4519 08:30 daily

History

operated legs · board outcomes
11-14AS352arrived−39
11-14AS374arrived+39
11-14DL739cancelledCNX
11-14DL848arrived−54
11-14WN4519cancelledCNX
11-13AS352dep +17 → arr−17
11-13AS374arrived+198
11-13AS375cancelledCNX
11-13DL739arrived−15
11-13DL831arrived−28
11-13DL848cancelledCNX
11-13WN4519arrived+16

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 +63 min disrupted 🌤 mostly cloudy · S 11 kt Full SEA delay board →
AUSAustin +0 min smooth 🌫 overcast · N 14 kt Full AUS delay board →

Weather lens

Conditions are tightest at AUS: a 40% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +3 min. Both figures come from the two airports' delay records in similar weather. 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?

Some delays possible. The departure side at SEA is the weaker end, route health score 58/100. 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 17:09 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 46 flights a week between them. Compare carrier days and times in the airline list above.