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

Boise → Chicago via Seattle: arrives on time 79%

  1. 20:47 BOI → 21:21 SEA
    AS 2352 · Alaska, flown by Horizon · 1h 34m · 60% on time, 2.0% cancelled
  2. 2h 56m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 00:17 SEA → 06:20 ORD +1 day
    AS 328 · Alaska · 4h 03m · 83% on time, 0.9% cancelled

Total trip 8h 33m, scheduled departure to arrival (Chicago is 1 h ahead of Boise). Times are local. Both flew on 50 of the last 56 days.

Makes the connection99%The first flight arrived more than 131 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 56m layover.
Arrives on time79%First flight not cancelled (2.0% are) × connection made (99%) × second flight not cancelled (0.9% are) and within 15 minutes (83%).
Total trip8h 33mBOI 20:47 to ORD 06:20, 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.