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

Dulles → Salt Lake City via Seattle: arrives on time 80%

  1. 07:00 IAD → 09:45 SEA
    DL 1015 · Delta · 5h 45m · 79% on time, 1.1% cancelled
  2. 3h 45m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 13:30 SEA → 16:40 SLC
    DL 1120 · Delta · 2h 10m · 83% on time, 0.3% cancelled

Total trip 11h 40m, scheduled departure to arrival (Salt Lake City is 2 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 180 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 45m layover.
Arrives on time80%First flight not cancelled (1.1% are) × connection made (97%) × second flight not cancelled (0.3% are) and within 15 minutes (83%).
Total trip11h 40mIAD 07:00 to SLC 16:40, 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.