Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Birmingham → Detroit via Atlanta: arrives on time 77%
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05:15 BHM → 07:21 ATLDL 1979 · Delta · 1h 06m · 98% on time, 1.1% cancelled
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54m layover in Atlanta (ATL) · 45 min minimum on one ticket
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08:15 ATL → 10:10 DTWDL 2160 · Delta · 1h 55m · 80% on time, 0.0% cancelled
Total trip 3h 55m, scheduled departure to arrival (Detroit is 1 h ahead of Birmingham). Times are local. Both flew on 25 of the last 56 days.
Makes the connection97%The first flight arrived more than 9 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time77%First flight not cancelled (1.1% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (80%).
Total trip3h 55mBHM 05:15 to DTW 10:10, 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.