Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Birmingham → Chicago via Houston: arrives on time 73%
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06:30 BHM → 08:30 IAHUA 4008 · United, flown by Mesa · 2h 00m · 85% on time, 1.2% cancelled
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1h 05m layover in Houston (IAH) · 45 min minimum on one ticket
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09:35 IAH → 12:29 ORDUA 2124 · United · 2h 54m · 86% on time, 0.3% cancelled
Total trip 5h 59m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection87%The first flight arrived more than 20 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time73%First flight not cancelled (1.2% are) × connection made (87%) × second flight not cancelled (0.3% are) and within 15 minutes (86%).
Total trip5h 59mBHM 06:30 to ORD 12:29, 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.