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

Houston → Miami via Dallas-Fort Worth: arrives on time 28%

  1. 14:04 IAH → 15:30 DFW
    AA 2512 · American · 1h 26m · 49% on time, 3.2% cancelled
  2. 1h 04m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 16:34 DFW → 20:35 MIA
    AA 3308 · American · 3h 05m · 56% on time, 3.4% cancelled

Total trip 5h 35m, scheduled departure to arrival (Miami is 1 h ahead of Houston). Times are local. Both flew on 48 of the last 56 days.

Makes the connection53%The first flight arrived more than 19 minutes late on 47% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time28%First flight not cancelled (3.2% are) × connection made (53%) × second flight not cancelled (3.4% are) and within 15 minutes (56%).
Total trip5h 35mIAH 14:04 to MIA 20:35, 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.