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

Seattle → Ontario via Salt Lake City: arrives on time 82%

  1. 17:59 SEA → 21:09 SLC
    DL 1165 · Delta · 2h 10m · 81% on time, 0.7% cancelled
  2. 1h 50m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 22:59 SLC → 23:48 ONT
    DL 1614 · Delta · 1h 49m · 89% on time, 0.6% cancelled

Total trip 5h 49m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection94%The first flight arrived more than 65 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 50m layover.
Arrives on time82%First flight not cancelled (0.7% are) × connection made (94%) × second flight not cancelled (0.6% are) and within 15 minutes (89%).
Total trip5h 49mSEA 17:59 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.