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

St Louis → Boston via Detroit: arrives on time 74%

  1. 06:30 STL → 09:04 DTW
    DL 1626 · Delta · 1h 34m · 92% on time, 2.3% cancelled
  2. 1h 01m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 10:05 DTW → 12:05 BOS
    DL 2648 · Delta · 1h 58m · 83% on time, 1.4% cancelled

Total trip 4h 33m, scheduled departure to arrival (Boston is 1 h ahead of St Louis). Times are local. Both flew on 56 of the last 56 days.

Makes the connection92%The first flight arrived more than 16 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time74%First flight not cancelled (2.3% are) × connection made (92%) × second flight not cancelled (1.4% are) and within 15 minutes (83%).
Total trip4h 33mSTL 06:30 to BOS 12:05, 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.