tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Seattle → Dulles via Denver: arrives on time 92%

  1. 16:26 SEA → 20:10 DEN
    AS 602 · Alaska · 2h 44m · 76% on time, 0.4% cancelled
  2. 3h 49m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 23:59 DEN → 05:27 IAD +1 day
    UA 1924 · United · 3h 28m · 94% on time, 0.6% cancelled

Total trip 10h 01m, scheduled departure to arrival (Dulles is 3 h ahead of Seattle). Times are local. Both flew on 55 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 90-minute minimum connection on a 3h 49m layover.
Arrives on time92%First flight not cancelled (0.4% are) × connection made (99%) × second flight not cancelled (0.6% are) and within 15 minutes (94%).
Total trip10h 01mSEA 16:26 to IAD 05:27, 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.