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

Ontario → Newark via San Francisco: arrives on time 66%

  1. 06:00 ONT → 07:25 SFO
    UA 2363 · United · 1h 25m · 91% on time, 1.0% cancelled
  2. 50m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 08:15 SFO → 16:53 EWR
    UA 435 · United · 5h 38m · 83% on time, 2.4% cancelled

Total trip 7h 53m, scheduled departure to arrival (Newark is 3 h ahead of Ontario). Times are local. Both flew on 56 of the last 56 days.

Makes the connection82%The first flight arrived more than 5 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time66%First flight not cancelled (1.0% are) × connection made (82%) × second flight not cancelled (2.4% are) and within 15 minutes (83%).
Total trip7h 53mONT 06:00 to EWR 16:53, 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.