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

Ontario → San Francisco via Salt Lake City: arrives on time 64%

  1. 17:21 ONT → 20:17 SLC
    DL 4443 · Delta, flown by SkyWest · 1h 56m · 87% on time, 0.0% cancelled
  2. 2h 33m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 22:50 SLC → 23:52 SFO
    DL 1091 · Delta · 2h 06m · 66% on time, 0.3% cancelled

Total trip 6h 35m, 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 108 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 33m layover.
Arrives on time64%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.3% are) and within 15 minutes (66%).
Total trip6h 35mONT 17:21 to SFO 23:52, 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.