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

Boise → Chicago via Portland: arrives on time 81%

  1. 20:28 BOI → 20:46 PDX
    AS 2371 · Alaska, flown by Horizon · 1h 18m · 69% on time, 0.0% cancelled
  2. 2h 44m layover in Portland (PDX) · 90 min minimum on separate tickets
  3. 23:30 PDX → 05:20 MDW +1 day
    WN 3203 · Southwest · 3h 50m · 89% on time, 1.7% cancelled

Total trip 7h 52m, scheduled departure to arrival (Chicago is 1 h ahead of Boise). Times are local. Both flew on 26 of the last 56 days.

Makes the connection92%The first flight arrived more than 74 minutes late on 8% of the days it flew: too late for the 90-minute minimum connection on a 2h 44m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (92%) × second flight not cancelled (1.7% are) and within 15 minutes (89%).
Total trip7h 52mBOI 20:28 to MDW 05:20, 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.