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

Madison → Boston via Detroit: arrives on time 51%

  1. 13:31 MSN → 15:53 DTW
    DL 844 · Delta · 1h 22m · 81% on time, 1.4% cancelled
  2. 2h 04m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 17:57 DTW → 20:00 BOS
    DL 1707 · Delta · 2h 03m · 57% on time, 3.0% cancelled

Total trip 5h 29m, scheduled departure to arrival (Boston is 1 h ahead of Madison). Times are local. Both flew on 42 of the last 56 days.

Makes the connection93%The first flight arrived more than 79 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 2h 04m layover.
Arrives on time51%First flight not cancelled (1.4% are) × connection made (93%) × second flight not cancelled (3.0% are) and within 15 minutes (57%).
Total trip5h 29mMSN 13:31 to BOS 20:00, 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.