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

Dulles → Seattle via Minneapolis: arrives on time 70%

  1. 18:55 IAD → 20:52 MSP
    DL 3783 · Delta, flown by SkyWest · 2h 57m · 80% on time, 1.3% cancelled
  2. 1h 16m layover in Minneapolis (MSP) · 45 min minimum on one ticket
  3. 22:08 MSP → 23:58 SEA
    DL 505 · Delta · 3h 50m · 83% on time, 1.0% cancelled

Total trip 8h 03m, scheduled departure to arrival (Seattle is 3 h behind Dulles). Times are local. Both flew on 42 of the last 56 days.

Makes the connection85%The first flight arrived more than 31 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time70%First flight not cancelled (1.3% are) × connection made (85%) × second flight not cancelled (1.0% are) and within 15 minutes (83%).
Total trip8h 03mIAD 18:55 to SEA 23:58, 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.