SEA → PDXSeattle to Portland

live

Direct flights from Seattle (SEA) to Portland (PDX): 14 nonstop departures observed each week across 2 airlines. 90% of the last 20 operated flights arrived within 15 minutes of schedule. The median arrival is 7 minutes early. No cancellations were recorded across the 20 tracked flights. The nonstop covers 208 km, an estimated 46 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Portland. Updated 27 October 2026 at 16:23 UTC.

Today, SEA → PDX

Tue 27 Oct · local times
AS279Alaska31 min late

The SEA board at 09:22 shows departure at 09:11 instead of 08:40, gate C2D.

Landing
09:58PDX board estimate · sched 09:47
Later cancelled
0.5%of 6,793 past Alaska flights whose board showed 20 to 40 min late
Still to leave today
DL3818 09:36Delta · then AS3111 10:30, DL3802 10:37
Track AS279 →
  1. 07:20 AS761Alaska Departed Landed 08:04 −24
  2. 07:32 DL3953Delta Departed Landed 08:49 +3
  3. 08:40 AS279Alaska Est. 09:11 +31Gate C2D PDX est. 09:58 +11sched 09:47
  4. 09:36 DL3818Delta On scheduleGate A7 PDX est. 10:31sched 10:45
  5. 10:30 AS3111Alaska On scheduleGate C16E PDX est. 11:25sched 11:36
  6. 10:37 DL3802Delta On scheduleGate A6 PDX est. 11:31sched 11:49
  7. 12:13 AS488Alaska On scheduleGate N1 PDX 13:24scheduled
  8. 13:45 DL4062Delta On scheduleGate A11 PDX est. 14:34sched 14:51
  9. 14:05 AS3143Alaska On scheduleGate C16C PDX 15:06scheduled
  10. 15:54 AS2348Alaska On scheduleGate C10B PDX est. 16:47sched 16:50
  11. 16:00 DL3918Delta On scheduleGate A12 PDX est. 16:55sched 17:04
  12. 17:58 AS2436Alaska On scheduleGate C16E PDX est. 18:51sched 18:55
  13. 18:55 DL3820Delta On scheduleGate B4 PDX est. 19:37sched 20:00
  14. 18:58 AS2425Alaska On scheduleGate C16D PDX est. 19:51sched 19:54
  15. 19:58 AS3336Alaska On scheduleGate C10B PDX 20:58scheduled
  16. 20:55 DL3997Delta On scheduleGate B1 PDX est. 21:38sched 21:56
  17. 20:59 AS415Alaska On scheduleGate N20 PDX 21:56scheduled
  18. 21:59 AS1495Alaska Sched 21:59Departure not confirmed by the board PDX 23:02scheduled
  19. 22:55 DL3751Delta Sched 22:55Departure not confirmed by the board PDX est. 23:46sched 23:59
  20. 22:59 AS2205Alaska Sched 22:59Departure not confirmed by the board PDX est. 23:52sched 23:54
  21. · SY8253Sun Country On schedule PDX 13:30scheduled

Checked SEA board 09:22 · PDX board 09:23

SEA Seattle smooth · +3
PDX Portland smooth · +0
208 km · ~0h 46m est.
dep bank 07:20–22:5914x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
90% on time

of the last 20 operated SEA → PDX flights arrived within 15 minutes

Median arrival delay is −7 min. 0 of 20 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−7 minacross the last 20 operated legs
Flight time~0h 46mestimated from route distance
Weekly departures14x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 20

The week

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

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 AirlinesAS92% on time

Flights AS761 07:20 daily · AS279 08:40 daily · AS3111 10:30 daily · AS488 12:13 daily

Delta Air LinesDL88% on time

Flights DL3953 07:32 daily · DL3818 09:36 daily · DL3802 10:37 daily · DL4062 13:45 daily

History

operated legs · board outcomes
10-27AS761arrived−24
10-27DL3953arrived+3
10-26AS1495arrived−22
10-26AS2348arrived+3
10-26AS2425arrived−10
10-26AS2436arrived−7
10-26AS279arrived+21
10-26AS3111arrived−21
10-26AS3143arrived−6
10-26AS3336arrived+2
10-26AS415arrived+12
10-26AS488arrived−14
10-26AS761arrived−30
10-26DL3802arrived−11
10-26DL3818arrived−18
10-26DL3820arrived+73
10-26DL3918arrived−5
10-26DL3953arrived−25
10-26DL3997arrived−7
10-26DL4062arrived−6

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 +3 min smooth ⛅ mostly cloudy · WSW 5 kt Full SEA delay board →
PDXPortland +0 min smooth 🌤 mostly cloudy · N 0 kt Full PDX delay board →

Weather lens

Current conditions put the pressure at PDX: 31% odds of a 15+ minute delay and around +5 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 Portland route actually runs

Pro Flight Search records official board updates for nonstop SEA to PDX 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 Portland (PDX) route reliability, measured from operated flights on official airport boards.

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

SEA to PDX questions

Is SEA–PDX running on time right now?

Smooth skies ahead. The departure side at SEA is the weaker end, route health score 96/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–PDX?

Operators schedule morning departures around 07:20 and evening departures around 17:58 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the PDX delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to PDX?

Great-circle distance is 208 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 45–48 min gate-to-gate on this route.

How often does SEA–PDX fly?

2 carriers operate this route, around 139 flights a week between them. Compare carrier days and times in the airline list above.