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

Dulles → San Francisco via Denver: arrives on time 61%

  1. 14:35 IAD → 16:29 DEN
    UA 1126 · United · 3h 54m · 82% on time, 0.0% cancelled
  2. 1h 25m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 17:54 DEN → 19:40 SFO
    UA 1007 · United · 2h 46m · 68% on time, 0.3% cancelled

Total trip 8h 05m, scheduled departure to arrival (San Francisco is 3 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.

Makes the connection91%The first flight arrived more than 40 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 25m layover.
Arrives on time61%First flight not cancelled (0.0% are) × connection made (91%) × second flight not cancelled (0.3% are) and within 15 minutes (68%).
Total trip8h 05mIAD 14:35 to SFO 19:40, 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.