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

Chicago → Idaho Falls via Seattle: arrives on time 78%

  1. 13:30 ORD → 16:09 SEA
    UA 1660 · United · 4h 39m · 87% on time, 1.1% cancelled
  2. 3h 41m layover in Seattle (SEA) · 90 min minimum on separate tickets
  3. 19:50 SEA → 22:39 IDA
    AS 3423 · Alaska, flown by SkyWest · 1h 49m · 79% on time, 0.0% cancelled

Total trip 10h 09m, scheduled departure to arrival (Idaho Falls is 1 h behind Chicago). Times are local. Both flew on 52 of the last 56 days.

Makes the connection100%The first flight arrived more than 131 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 41m layover.
Arrives on time78%First flight not cancelled (1.1% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip10h 09mORD 13:30 to IDA 22:39, 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.