Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Baltimore → Birmingham via Houston: arrives on time 71%
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12:55 BWI → 15:11 IAHUA 743 · United · 3h 16m · 86% on time, 1.9% cancelled
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1h 09m layover in Houston (IAH) · 45 min minimum on one ticket
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16:20 IAH → 18:18 BHMUA 4256 · United, flown by CommuteAir · 1h 58m · 82% on time, 1.3% cancelled
Total trip 6h 23m, scheduled departure to arrival (Birmingham is 1 h behind Baltimore). Times are local. Both flew on 22 of the last 56 days.
Makes the connection89%The first flight arrived more than 24 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 1h 09m layover.
Arrives on time71%First flight not cancelled (1.9% are) × connection made (89%) × second flight not cancelled (1.3% are) and within 15 minutes (82%).
Total trip6h 23mBWI 12:55 to BHM 18:18, 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.