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

Boston → Madison via Detroit: arrives on time 77%

  1. 05:30 BOS → 07:39 DTW
    DL 1019 · Delta · 2h 09m · 95% on time, 2.5% cancelled
  2. 46m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 08:25 DTW → 08:50 MSN
    DL 3671 · Delta, flown by SkyWest · 1h 25m · 89% on time, 0.0% cancelled

Total trip 4h 20m, scheduled departure to arrival (Madison is 1 h behind Boston). Times are local. Both flew on 55 of the last 56 days.

Makes the connection89%The first flight arrived more than 1 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time77%First flight not cancelled (2.5% are) × connection made (89%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip4h 20mBOS 05:30 to MSN 08:50, 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.