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

Seattle → Detroit via Portland: arrives on time 81%

  1. 09:30 SEA → 10:39 PDX
    DL 3818 · Delta, flown by SkyWest · 1h 09m · 91% on time, 0.4% cancelled
  2. 1h 16m layover in Portland (PDX) · 45 min minimum on one ticket
  3. 11:55 PDX → 19:08 DTW
    DL 2171 · Delta · 4h 13m · 83% on time, 0.0% cancelled

Total trip 6h 38m, scheduled departure to arrival (Detroit is 3 h ahead of Seattle). Times are local. Both flew on 55 of the last 56 days.

Makes the connection97%The first flight arrived more than 31 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time81%First flight not cancelled (0.4% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip6h 38mSEA 09:30 to DTW 19:08, 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.