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

Boise → San Jose via Seattle: arrives on time 74%

  1. 18:10 BOI → 18:54 SEA
    DL 4127 · Delta, flown by SkyWest · 1h 44m · 83% on time, 0.6% cancelled
  2. 1h 36m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 20:30 SEA → 22:48 SJC
    DL 3956 · Delta, flown by SkyWest · 2h 17m · 79% on time, 0.5% cancelled

Total trip 5h 37m, scheduled departure to arrival (San Jose is 1 h behind Boise). Times are local. Both flew on 55 of the last 56 days.

Makes the connection94%The first flight arrived more than 51 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 36m layover.
Arrives on time74%First flight not cancelled (0.6% are) × connection made (94%) × second flight not cancelled (0.5% are) and within 15 minutes (79%).
Total trip5h 37mBOI 18:10 to SJC 22:48, 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.