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

Raleigh/Durham → Seattle via Dulles: arrives on time 85%

  1. 06:00 RDU → 07:11 IAD
    UA 1789 · United · 1h 11m · 96% on time, 1.8% cancelled
  2. 2h 19m layover in Dulles (IAD) · 90 min minimum on separate tickets
  3. 09:30 IAD → 12:16 SEA
    AS 361 · Alaska · 5h 46m · 90% on time, 1.9% cancelled

Total trip 9h 16m, scheduled departure to arrival (Seattle is 3 h behind Raleigh/Durham). Times are local. Both flew on 50 of the last 56 days.

Makes the connection98%The first flight arrived more than 49 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 19m layover.
Arrives on time85%First flight not cancelled (1.8% are) × connection made (98%) × second flight not cancelled (1.9% are) and within 15 minutes (90%).
Total trip9h 16mRDU 06:00 to SEA 12:16, 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.