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

Ontario → Boise via Seattle: arrives on time 60%

  1. 14:05 ONT → 16:45 SEA
    AS 567 · Alaska · 2h 40m · 77% on time, 2.2% cancelled
  2. 55m 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 5h 02m, scheduled departure to arrival (Boise is 1 h ahead of Ontario). Times are local. Both flew on 45 of the last 56 days.

Makes the connection75%The first flight arrived more than 10 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time60%First flight not cancelled (2.2% are) × connection made (75%) × second flight not cancelled (0.7% are) and within 15 minutes (82%).
Total trip5h 02mONT 14:05 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.