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

Seattle → Boise via San Francisco: arrives on time 43%

  1. 15:33 SEA → 17:47 SFO
    UA 2866 · United · 2h 14m · 56% on time, 0.0% cancelled
  2. 58m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 18:45 SFO → 21:40 BOI
    UA 5644 · United, flown by SkyWest · 1h 55m · 79% on time, 0.5% cancelled

Total trip 5h 07m, scheduled departure to arrival (Boise is 1 h ahead of Seattle). Times are local. Both flew on 36 of the last 56 days.

Makes the connection55%The first flight arrived more than 13 minutes late on 45% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time43%First flight not cancelled (0.0% are) × connection made (55%) × second flight not cancelled (0.5% are) and within 15 minutes (79%).
Total trip5h 07mSEA 15:33 to BOI 21:40, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.