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

Detroit → Boston via Baltimore: arrives on time 8%

  1. 17:45 DTW → 19:15 BWI
    WN 1526 · Southwest · 1h 30m · 30% on time, 7.1% cancelled
  2. 50m layover in Baltimore (BWI) · 45 min minimum on one ticket
  3. 20:05 BWI → 21:40 BOS
    WN 4361 · Southwest · 1h 35m · 38% on time, 0.0% cancelled

Total trip 3h 55m, scheduled departure to arrival. Times are local. Both flew on 24 of the last 56 days.

Makes the connection22%The first flight arrived more than 5 minutes late on 78% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time8%First flight not cancelled (7.1% are) × connection made (22%) × second flight not cancelled (0.0% are) and within 15 minutes (38%).
Total trip3h 55mDTW 17:45 to BOS 21:40, 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.