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

Detroit → San Juan via Dallas-Fort Worth: arrives on time 23%

  1. 19:51 DTW → 21:44 DFW
    AA 1786 · American · 2h 53m · 47% on time, 6.5% cancelled
  2. 1h 03m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 22:47 DFW → 04:39 SJU +1 day
    AA 514 · American · 4h 52m · 49% on time, 0.0% cancelled

Total trip 8h 48m, scheduled departure to arrival. Times are local. Both flew on 50 of the last 56 days.

Makes the connection51%The first flight arrived more than 18 minutes late on 49% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time23%First flight not cancelled (6.5% are) × connection made (51%) × second flight not cancelled (0.0% are) and within 15 minutes (49%).
Total trip8h 48mDTW 19:51 to SJU 04:39, 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.