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

Seattle → Boise via San Francisco: arrives on time 6%

  1. 07:00 SEA → 09:18 SFO
    UA 1578 · United · 2h 18m · 11% on time, 0.0% cancelled
  2. 57m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 10:15 SFO → 13:08 BOI
    UA 6035 · United, flown by SkyWest · 1h 53m · 56% on time, 1.2% cancelled

Total trip 5h 08m, scheduled departure to arrival (Boise is 1 h ahead of Seattle). Times are local. Both flew on 31 of the last 56 days.

Makes the connection11%The first flight arrived more than 12 minutes late on 89% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time6%First flight not cancelled (0.0% are) × connection made (11%) × second flight not cancelled (1.2% are) and within 15 minutes (56%).
Total trip5h 08mSEA 07:00 to BOI 13:08, 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.