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

Houston → Birmingham via Atlanta: arrives on time 78%

14:43 IAH → 17:54 ATL

DL 1572 · Delta · 2h 13m · 80% on time, 1.3% cancelled
3h 50m layover in Atlanta (ATL) · 45 min minimum on one ticket
21:44 ATL → 21:40 BHM

DL 2257 · Delta · 56m · 83% on time, 2.3% cancelled

Total trip 6h 57m, scheduled departure to arrival. Times are local. Both flew on 28 of the last 56 days.

Makes the connection98%The first flight arrived more than 185 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 50m layover.

Arrives on time78%First flight not cancelled (1.3% are) × connection made (98%) × second flight not cancelled (2.3% are) and within 15 minutes (83%).

Total trip6h 57mIAH 14:43 to BHM 21:40, layover included

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.