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

Ontario → San Francisco via Denver: arrives on time 73%

  1. 08:05 ONT → 11:15 DEN
    WN 3145 · Southwest · 2h 10m · 95% on time, 0.0% cancelled
  2. 2h 10m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 13:25 DEN → 15:09 SFO
    UA 1812 · United · 2h 44m · 76% on time, 0.0% cancelled

Total trip 7h 04m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection96%The first flight arrived more than 40 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 2h 10m layover.
Arrives on time73%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (76%).
Total trip7h 04mONT 08:05 to SFO 15:09, 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.