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

Dulles → Portland via Detroit: arrives on time 78%

  1. 06:00 IAD → 07:40 DTW
    DL 3826 · Delta, flown by SkyWest · 1h 40m · 86% on time, 0.0% cancelled
  2. 1h 14m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 08:54 DTW → 10:41 PDX
    DL 2171 · Delta · 4h 47m · 89% on time, 0.0% cancelled

Total trip 7h 41m, scheduled departure to arrival (Portland is 3 h behind Dulles). Times are local. Both flew on 55 of the last 56 days.

Makes the connection88%The first flight arrived more than 29 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time78%First flight not cancelled (0.0% are) × connection made (88%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip7h 41mIAD 06:00 to PDX 10:41, 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.