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

San Jose → Boise via Seattle: arrives on time 66%

  1. 14:16 SJC → 16:27 SEA
    AS 521 · Alaska · 2h 11m · 73% on time, 1.9% cancelled
  2. 1h 13m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 17:40 SEA → 20:07 BOI
    AS 2109 · Alaska, flown by Horizon · 1h 27m · 82% on time, 0.7% cancelled

Total trip 4h 51m, scheduled departure to arrival (Boise is 1 h ahead of San Jose). Times are local. Both flew on 52 of the last 56 days.

Makes the connection83%The first flight arrived more than 28 minutes late on 17% of the days it flew: too late for the 45-minute minimum connection on a 1h 13m layover.
Arrives on time66%First flight not cancelled (1.9% are) × connection made (83%) × second flight not cancelled (0.7% are) and within 15 minutes (82%).
Total trip4h 51mSJC 14:16 to BOI 20:07, 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.