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

Salt Lake City → St Louis via Seattle: arrives on time 46%

  1. 16:00 SLC → 17:16 SEA
    AS 734 · Alaska · 2h 16m · 67% on time, 1.1% cancelled
  2. 48m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 18:04 SEA → 23:59 STL
    AS 615 · Alaska · 3h 55m · 87% on time, 0.8% cancelled

Total trip 6h 59m, scheduled departure to arrival (St Louis is 1 h ahead of Salt Lake City). Times are local. Both flew on 51 of the last 56 days.

Makes the connection54%The first flight arrived more than 3 minutes late on 46% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time46%First flight not cancelled (1.1% are) × connection made (54%) × second flight not cancelled (0.8% are) and within 15 minutes (87%).
Total trip6h 59mSLC 16:00 to STL 23:59, 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.