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

Ontario → Denver via San Francisco: arrives on time 86%

  1. 13:50 ONT → 15:15 SFO
    UA 1375 · United · 1h 25m · 57% on time, 0.0% cancelled
  2. 3h 41m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 18:56 SFO → 22:44 DEN
    UA 2436 · United · 2h 48m · 88% on time, 0.0% cancelled

Total trip 7h 54m, scheduled departure to arrival (Denver is 1 h ahead of Ontario). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 176 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 41m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip7h 54mONT 13:50 to DEN 22:44, 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.