Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → St Louis via Dallas-Fort Worth: arrives on time 28%
-
14:04 IAH → 15:30 DFWAA 2512 · American · 1h 26m · 49% on time, 3.2% cancelled
-
1h 12m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
-
16:42 DFW → 18:30 STLAA 2491 · American · 1h 50m · 55% on time, 3.5% cancelled
Total trip 4h 28m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.
Makes the connection56%The first flight arrived more than 27 minutes late on 44% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time28%First flight not cancelled (3.2% are) × connection made (56%) × second flight not cancelled (3.5% are) and within 15 minutes (55%).
Total trip4h 28mIAH 14:04 to STL 18:30, 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.