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

St Louis → Raleigh/Durham via Detroit: arrives on time 82%

  1. 09:55 STL → 12:25 DTW
    WN 4177 · Southwest · 1h 30m · 76% on time, 0.0% cancelled
  2. 3h 34m layover in Detroit (DTW) · 90 min minimum on separate tickets
  3. 15:59 DTW → 17:44 RDU
    DL 1407 · Delta · 1h 45m · 84% on time, 1.4% cancelled

Total trip 6h 49m, scheduled departure to arrival (Raleigh/Durham is 1 h ahead of St Louis). Times are local. Both flew on 31 of the last 56 days.

Makes the connection100%The first flight arrived more than 124 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 34m layover.
Arrives on time82%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (1.4% are) and within 15 minutes (84%).
Total trip6h 49mSTL 09:55 to RDU 17:44, 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.