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 81%

  1. 09:24 STL → 12:02 ATL
    DL 1571 · Delta · 1h 38m · 94% on time, 2.9% cancelled
  2. 1h 53m 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 7h 29m, scheduled departure to arrival (Salt Lake City is 1 h behind St Louis). Times are local. Both flew on 43 of the last 56 days.

Makes the connection98%The first flight arrived more than 68 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 53m layover.
Arrives on time81%First flight not cancelled (2.9% are) × connection made (98%) × second flight not cancelled (0.5% are) and within 15 minutes (86%).
Total trip7h 29mSTL 09:24 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.