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

Seattle → St Louis via Salt Lake City: arrives on time 68%

  1. 11:05 SEA → 14:11 SLC
    DL 1265 · Delta · 2h 06m · 86% on time, 0.6% cancelled
  2. 59m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 15:10 SLC → 19:03 STL
    DL 1492 · Delta · 2h 53m · 81% on time, 0.9% cancelled

Total trip 5h 58m, scheduled departure to arrival (St Louis is 2 h ahead of Seattle). Times are local. Both flew on 48 of the last 56 days.

Makes the connection85%The first flight arrived more than 14 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time68%First flight not cancelled (0.6% are) × connection made (85%) × second flight not cancelled (0.9% are) and within 15 minutes (81%).
Total trip5h 58mSEA 11:05 to STL 19:03, 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.