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

Boise → Ontario via Seattle: arrives on time 75%

  1. 13:06 BOI → 13:40 SEA
    AS 2235 · Alaska, flown by Horizon · 1h 34m · 87% on time, 0.0% cancelled
  2. 4h 11m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 17:51 SEA → 20:32 ONT
    AS 592 · Alaska · 2h 41m · 75% on time, 0.0% cancelled

Total trip 8h 26m, scheduled departure to arrival (Ontario is 1 h behind Boise). Times are local. Both flew on 19 of the last 56 days, too few to list among the best connections.

Makes the connection100%The first flight arrived more than 206 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 4h 11m layover.
Arrives on time75%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (75%).
Total trip8h 26mBOI 13:06 to ONT 20:32, 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.