Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Boston → Miami via Detroit: arrives on time 88%

  1. 13:10 BOS → 15:20 DTW
    DL 2222 · Delta · 2h 09m · 81% on time, 1.9% cancelled
  2. 3h 37m layover in Detroit (DTW) · 90 min minimum on separate tickets
  3. 18:57 DTW → 22:10 MIA
    AA 3358 · American, flown by Envoy · 3h 13m · 92% on time, 0.0% cancelled

Total trip 9h 00m, scheduled departure to arrival. Times are local. Both flew on 22 of the last 56 days.

Makes the connection98%The first flight arrived more than 127 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 37m layover.
Arrives on time88%First flight not cancelled (1.9% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip9h 00mBOS 13:10 to MIA 22:10, 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.