PDX → SEAPortland to Seattle

live

Direct flights from Portland (PDX) to Seattle (SEA): 14 nonstop departures observed each week across 2 airlines. 57% of the last 14 operated flights arrived within 15 minutes of schedule. The median arrival is 15 minutes late. No cancellations were recorded across the 14 tracked flights. The nonstop covers 208 km, an estimated 46 minutes in the air. Measured by Pro Flight Search from live flight boards at Portland and Seattle. Updated 18 October 2026 at 23:15 UTC.

Today, PDX → SEA

Sun 18 Oct · local times
DL3918Delta Air Lines34 min late

The PDX board at 16:15 shows departure at 18:23 instead of 17:49, gate D9.

Landing
19:10SEA board estimate · sched 19:05
Later cancelled
0.7%of 9,800 past Delta Air Lines flights whose board showed 20 to 40 min late
Still to leave today
AS2426 19:37Alaska · then DL3820 20:44, AS2554 21:29
Track DL3918 →
DL4008DeltaIn the air, 57 min late

Left PDX at 06:27, 57 min after its 05:30 slot.

Track DL4008 →
  1. 05:06 AS2197Alaska Left 05:14 +8 Landed 06:00
  2. 05:30 DL4008Delta Left 06:27 +57 ·
  3. 07:09 AS427Alaska Left 07:09 ·
  4. 07:10 DL3695Delta Left 07:26 +16 ·
  5. 08:09 AS376Alaska Left 08:24 +15 ·
  6. 09:31 AS754Alaska Left 09:51 +20 Landed 10:39
  7. 09:31 DL3953Delta Air Lines Left 09:58 +27 Landed 10:40
  8. 11:03 AS1409Alaska Left 11:12 +9 Landed 12:05
  9. 11:25 DL3818Delta Air Lines Left 11:57 +32 Landed 12:42
  10. 12:18 AS3038Alaska Left 12:18 Landed 13:19
  11. 12:29 DL3802Delta Air Lines Left 13:11 +42 Landed 13:39
  12. 14:30 AS3342Alaska Left 14:20 Landed 15:35
  13. 15:31 DL4062Delta Air Lines Left 15:43 +12 SEA est. 16:23In the air · sched 16:45
  14. 15:48 AS3146Alaska Left 15:53 +5 SEA est. 16:48In the air · sched 16:49
  15. 17:48 AS2349Alaska On scheduleGate B4 SEA est. 18:39sched 18:49
  16. 17:49 DL3918Delta Air Lines Est. 18:23 +34Gate D9 SEA est. 19:10 +5sched 19:05
  17. 19:37 AS2426Alaska On scheduleGate B1 SEA est. 20:28sched 20:33
  18. 20:44 DL3820Delta Air Lines On scheduleGate D6 SEA est. 21:29sched 22:00
  19. 21:29 AS2554Alaska On scheduleGate B3 SEA est. 22:22sched 22:25

Checked PDX board 16:15 · SEA board 16:06

PDX Portland smooth · +0
SEA Seattle smooth · +0
208 km · ~0h 46m est.
dep bank 05:06–21:2914x weekly
Runs rough · 2 airlines · 14x weekly · nonstop
57% on time

of the last 14 operated PDX → SEA flights arrived within 15 minutes

Median arrival delay is +15 min. 0 of 14 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+15 minacross the last 14 operated legs
Flight time~0h 46mestimated from route distance
Weekly departures14x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 14

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 AirlinesAS88% on time

Flights AS2197 05:06 daily · AS499 06:09 daily · AS427 07:09 daily · AS376 08:09 daily

Delta Air LinesDL17% on time

Flights DL4008 05:30 daily · DL3695 07:10 daily · DL3818 11:25 daily · DL3802 12:29 daily

History

operated legs · board outcomes
10-18AS1409departed+9
10-18AS2197departed+8
10-18AS3038departed+0
10-18AS3146dep +5 → arr−1
10-18AS3342departed−10
10-18AS376departed+15
10-18AS427departed+0
10-18AS754departed+20
10-18DL3695departed+16
10-18DL3802departed+42
10-18DL3818departed+32
10-18DL3953departed+27
10-18DL4008departed+57
10-18DL4062dep +12 → arr−22

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
PDXPortland +0 min smooth Full PDX delay board →
SEASeattle +0 min smooth Full SEA delay board →

Weather lens

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

How the Portland to Seattle route actually runs

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

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

PDX to SEA questions

Is PDX–SEA running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on PDX–SEA?

Operators schedule morning departures around 05:06 and evening departures around 17:48 from PDX. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SEA delay card to confirm conditions when you'd arrive.

How long is the flight from PDX to SEA?

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 PDX–SEA fly?

2 carriers operate this route, around 132 flights a week between them. Compare carrier days and times in the airline list above.