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

Dulles → Denver via Salt Lake City: arrives on time 86%

  1. 07:15 IAD → 09:52 SLC
    DL 432 · Delta · 4h 37m · 85% on time, 1.6% cancelled
  2. 3h 13m layover in Salt Lake City (SLC) · 90 min minimum on separate tickets
  3. 13:05 SLC → 14:51 DEN
    UA 4720 · United, flown by SkyWest · 1h 46m · 92% on time, 0.4% cancelled

Total trip 9h 36m, scheduled departure to arrival (Denver is 2 h behind Dulles). Times are local. Both flew on 55 of the last 56 days.

Makes the connection96%The first flight arrived more than 103 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 3h 13m layover.
Arrives on time86%First flight not cancelled (1.6% are) × connection made (96%) × second flight not cancelled (0.4% are) and within 15 minutes (92%).
Total trip9h 36mIAD 07:15 to DEN 14:51, 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.