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

Miami → San Juan via Dallas-Fort Worth: arrives on time 29%

  1. 19:30 MIA → 21:45 DFW
    AA 3104 · American · 3h 15m · 58% on time, 4.2% cancelled
  2. 1h 02m 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 9h 09m, scheduled departure to arrival. Times are local. Both flew on 53 of the last 56 days.

Makes the connection61%The first flight arrived more than 17 minutes late on 39% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time29%First flight not cancelled (4.2% are) × connection made (61%) × second flight not cancelled (0.0% are) and within 15 minutes (49%).
Total trip9h 09mMIA 19:30 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.