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

Boston → Detroit via Atlanta: arrives on time 54%

  1. 17:56 BOS → 21:01 ATL
    DL 2464 · Delta · 3h 05m · 75% on time, 1.6% cancelled
  2. 52m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:53 ATL → 23:57 DTW
    DL 651 · Delta · 2h 04m · 78% on time, 0.0% cancelled

Total trip 6h 01m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection70%The first flight arrived more than 7 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time54%First flight not cancelled (1.6% are) × connection made (70%) × second flight not cancelled (0.0% are) and within 15 minutes (78%).
Total trip6h 01mBOS 17:56 to DTW 23:57, 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.