Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → Birmingham via Chicago: arrives on time 83%
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10:33 DTW → 11:04 ORDAA 4103 · American, flown by Envoy · 1h 35m · 94% on time, 0.0% cancelled
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1h 57m layover in Chicago (ORD) · 45 min minimum on one ticket
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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 5h 28m, scheduled departure to arrival (Birmingham is 1 h behind Detroit). Times are local. Both flew on 30 of the last 56 days.
Makes the connection99%The first flight arrived more than 72 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 57m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (2.3% are) and within 15 minutes (86%).
Total trip5h 28mDTW 10:33 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.