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 86%

  1. 09:30 SEA → 12:38 SLC
    DL 1016 · Delta · 2h 08m · 90% on time, 0.8% cancelled
  2. 3h 07m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 15:45 SLC → 16:41 ONT
    DL 4443 · Delta, flown by SkyWest · 1h 56m · 87% on time, 0.0% cancelled

Total trip 7h 11m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 142 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 07m layover.
Arrives on time86%First flight not cancelled (0.8% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip7h 11mSEA 09:30 to ONT 16:41, 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.