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

Detroit → Boston via Atlanta: arrives on time 43%

  1. 12:25 DTW → 14:23 ATL
    DL 2188 · Delta · 1h 58m · 71% on time, 0.0% cancelled
  2. 55m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 15:18 ATL → 18:05 BOS
    DL 2595 · Delta · 2h 47m · 66% on time, 1.2% cancelled

Total trip 5h 40m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection66%The first flight arrived more than 10 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time43%First flight not cancelled (0.0% are) × connection made (66%) × second flight not cancelled (1.2% are) and within 15 minutes (66%).
Total trip5h 40mDTW 12:25 to BOS 18:05, 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.