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

St Louis → Detroit via Atlanta: arrives on time 82%

  1. 06:00 STL → 08:38 ATL
    DL 1524 · Delta · 1h 38m · 96% on time, 1.6% cancelled
  2. 2h 22m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 11:00 ATL → 12:55 DTW
    DL 1240 · Delta · 1h 56m · 85% on time, 0.3% cancelled

Total trip 5h 56m, scheduled departure to arrival (Detroit is 1 h ahead of St Louis). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 97 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 22m layover.
Arrives on time82%First flight not cancelled (1.6% are) × connection made (99%) × second flight not cancelled (0.3% are) and within 15 minutes (85%).
Total trip5h 56mSTL 06:00 to DTW 12:55, 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.