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

Ontario → Baltimore via San Francisco: arrives on time 79%

  1. 18:39 ONT → 20:07 SFO
    UA 5624 · United, flown by SkyWest · 1h 28m · 16% on time, 1.6% cancelled
  2. 2h 33m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 22:40 SFO → 07:10 BWI +1 day
    UA 1340 · United · 5h 30m · 86% on time, 1.3% cancelled

Total trip 9h 31m, scheduled departure to arrival (Baltimore is 3 h ahead of Ontario). Times are local. Both flew on 35 of the last 56 days.

Makes the connection95%The first flight arrived more than 108 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 33m layover.
Arrives on time79%First flight not cancelled (1.6% are) × connection made (95%) × second flight not cancelled (1.3% are) and within 15 minutes (86%).
Total trip9h 31mONT 18:39 to BWI 07:10, 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.