tailodds FORECAST
Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Detroit → Portland via Seattle: arrives on time 83%

  1. 06:00 DTW → 07:55 SEA
    DL 814 · Delta · 4h 55m · 91% on time, 1.5% cancelled
  2. 1h 35m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 09:30 SEA → 10:39 PDX
    DL 3818 · Delta, flown by SkyWest · 1h 09m · 91% on time, 0.4% cancelled

Total trip 7h 39m, scheduled departure to arrival (Portland is 3 h behind Detroit). Times are local. Both flew on 55 of the last 56 days.

Makes the connection94%The first flight arrived more than 50 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 35m layover.
Arrives on time83%First flight not cancelled (1.5% are) × connection made (94%) × second flight not cancelled (0.4% are) and within 15 minutes (91%).
Total trip7h 39mDTW 06:00 to PDX 10:39, layover included

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.