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

Detroit → St Louis via Minneapolis: arrives on time 43%

  1. 20:05 DTW → 21:00 MSP
    DL 1303 · Delta · 1h 55m · 65% on time, 0.3% cancelled
  2. 50m layover in Minneapolis (MSP) · 45 min minimum on one ticket
  3. 21:50 MSP → 23:22 STL
    DL 1609 · Delta · 1h 33m · 78% on time, 1.1% cancelled

Total trip 4h 18m, scheduled departure to arrival (St Louis is 1 h behind Detroit). Times are local. Both flew on 56 of the last 56 days.

Makes the connection56%The first flight arrived more than 5 minutes late on 44% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time43%First flight not cancelled (0.3% are) × connection made (56%) × second flight not cancelled (1.1% are) and within 15 minutes (78%).
Total trip4h 18mDTW 20:05 to STL 23:22, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.