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

Seattle → Ontario via Salt Lake City: arrives on time 87%

  1. 16:47 SEA → 19:50 SLC
    AS 373 · Alaska · 2h 03m · 80% on time, 0.0% cancelled
  2. 3h 09m layover in Salt Lake City (SLC) · 90 min minimum on separate tickets
  3. 22:59 SLC → 23:48 ONT
    DL 1614 · Delta · 1h 49m · 89% on time, 0.6% cancelled

Total trip 7h 01m, scheduled departure to arrival. Times are local. Both flew on 51 of the last 56 days.

Makes the connection98%The first flight arrived more than 99 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 09m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.6% are) and within 15 minutes (89%).
Total trip7h 01mSEA 16:47 to ONT 23:48, 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.