tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

St Louis → Seattle via Salt Lake City: arrives on time 85%

  1. 08:00 STL → 10:12 SLC
    DL 2363 · Delta · 3h 12m · 91% on time, 0.8% cancelled
  2. 2h 39m layover in Salt Lake City (SLC) · 90 min minimum on separate tickets
  3. 12:51 SLC → 14:04 SEA
    AS 664 · Alaska · 2h 13m · 88% on time, 0.0% cancelled

Total trip 8h 04m, scheduled departure to arrival (Seattle is 2 h behind St Louis). Times are local. Both flew on 52 of the last 56 days.

Makes the connection97%The first flight arrived more than 69 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 2h 39m layover.
Arrives on time85%First flight not cancelled (0.8% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip8h 04mSTL 08:00 to SEA 14:04, 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.