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

Idaho Falls → Seattle via Portland: arrives on time 79%

  1. 16:14 IDA → 16:50 PDX
    AS 3421 · Alaska, flown by SkyWest · 1h 36m · 58% on time, 0.0% cancelled
  2. 3h 54m layover in Portland (PDX) · 90 min minimum on separate tickets
  3. 20:44 PDX → 21:56 SEA
    DL 3923 · Delta, flown by SkyWest · 1h 12m · 79% on time, 0.0% cancelled

Total trip 6h 42m, scheduled departure to arrival (Seattle is 1 h behind Idaho Falls). Times are local. Both flew on 40 of the last 56 days.

Makes the connection100%The first flight arrived more than 144 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 54m layover.
Arrives on time79%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip6h 42mIDA 16:14 to SEA 21:56, 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.