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. 08:30 DTW → 10:31 SEA
    DL 734 · Delta · 5h 01m · 76% on time, 1.6% cancelled
  2. 3h 04m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 13:35 SEA → 14:46 PDX
    DL 4062 · Delta, flown by SkyWest · 1h 11m · 85% on time, 0.0% cancelled

Total trip 9h 16m, scheduled departure to arrival (Portland is 3 h behind Detroit). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 139 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 04m layover.
Arrives on time83%First flight not cancelled (1.6% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip9h 16mDTW 08:30 to PDX 14:46, 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.