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

St Louis → Salt Lake City via Atlanta: arrives on time 84%

  1. 07:08 STL → 09:45 ATL
    DL 1536 · Delta · 1h 37m · 97% on time, 1.5% cancelled
  2. 4h 10m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:55 ATL → 15:51 SLC
    DL 423 · Delta · 3h 58m · 86% on time, 0.5% cancelled

Total trip 9h 45m, scheduled departure to arrival (Salt Lake City is 1 h behind St Louis). Times are local. Both flew on 56 of the last 56 days.

Makes the connection100%The first flight arrived more than 205 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 4h 10m layover.
Arrives on time84%First flight not cancelled (1.5% are) × connection made (100%) × second flight not cancelled (0.5% are) and within 15 minutes (86%).
Total trip9h 45mSTL 07:08 to SLC 15:51, 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.