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 73%

  1. 07:00 IAD → 09:45 SEA
    DL 1015 · Delta · 5h 45m · 79% on time, 1.1% cancelled
  2. 1h 20m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 11:05 SEA → 14:11 SLC
    DL 1265 · Delta · 2h 06m · 86% on time, 0.6% cancelled

Total trip 9h 11m, 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 connection87%The first flight arrived more than 35 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time73%First flight not cancelled (1.1% are) × connection made (87%) × second flight not cancelled (0.6% are) and within 15 minutes (86%).
Total trip9h 11mIAD 07:00 to SLC 14:11, 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.