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

Boise → San Francisco via Seattle: arrives on time 69%

  1. 18:10 BOI → 18:54 SEA
    DL 4127 · Delta, flown by SkyWest · 1h 44m · 83% on time, 0.6% cancelled
  2. 2h 51m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 21:45 SEA → 00:06 SFO +1 day
    DL 2635 · Delta · 2h 21m · 71% on time, 1.2% cancelled

Total trip 6h 56m, scheduled departure to arrival (San Francisco is 1 h behind Boise). Times are local. Both flew on 55 of the last 56 days.

Makes the connection98%The first flight arrived more than 126 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 51m layover.
Arrives on time69%First flight not cancelled (0.6% are) × connection made (98%) × second flight not cancelled (1.2% are) and within 15 minutes (71%).
Total trip6h 56mBOI 18:10 to SFO 00:06, 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.