Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → Birmingham via Chicago: arrives on time 77%
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08:50 DTW → 09:22 ORDUA 1338 · United · 1h 32m · 80% on time, 5.4% cancelled
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3h 39m layover in Chicago (ORD) · 90 min minimum on separate tickets
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13:01 ORD → 15:01 BHMAA 3971 · American, flown by Envoy · 2h 00m · 86% on time, 2.3% cancelled
Total trip 7h 11m, scheduled departure to arrival (Birmingham is 1 h behind Detroit). Times are local. Both flew on 30 of the last 56 days.
Makes the connection97%The first flight arrived more than 129 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 3h 39m layover.
Arrives on time77%First flight not cancelled (5.4% are) × connection made (97%) × second flight not cancelled (2.3% are) and within 15 minutes (86%).
Total trip7h 11mDTW 08:50 to BHM 15:01, 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.