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

Seattle → Idaho Falls via Salt Lake City: arrives on time 89%

  1. 05:30 SEA → 08:30 SLC
    DL 1128 · Delta · 2h 00m · 94% on time, 0.5% cancelled
  2. 1h 05m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 09:35 SLC → 10:43 IDA
    DL 3944 · Delta, flown by SkyWest · 1h 08m · 94% on time, 0.0% cancelled

Total trip 4h 13m, scheduled departure to arrival (Idaho Falls is 1 h ahead of Seattle). Times are local. Both flew on 55 of the last 56 days.

Makes the connection95%The first flight arrived more than 20 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time89%First flight not cancelled (0.5% are) × connection made (95%) × second flight not cancelled (0.0% are) and within 15 minutes (94%).
Total trip4h 13mSEA 05:30 to IDA 10:43, 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.