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

Idaho Falls → Seattle via Salt Lake City: arrives on time 73%

  1. 15:22 IDA → 16:30 SLC
    DL 3765 · Delta, flown by SkyWest · 1h 09m · 92% on time, 0.0% cancelled
  2. 50m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 17:20 SLC → 18:36 SEA
    DL 871 · Delta · 2h 16m · 82% on time, 0.6% cancelled

Total trip 4h 14m, scheduled departure to arrival (Seattle is 1 h behind Idaho Falls). Times are local. Both flew on 56 of the last 56 days.

Makes the connection90%The first flight arrived more than 5 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time73%First flight not cancelled (0.0% are) × connection made (90%) × second flight not cancelled (0.6% are) and within 15 minutes (82%).
Total trip4h 14mIDA 15:22 to SEA 18:36, 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.