Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → Birmingham via Atlanta: arrives on time 42%
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16:00 DTW → 18:04 ATLDL 1467 · Delta · 2h 04m · 77% on time, 0.6% cancelled
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55m layover in Atlanta (ATL) · 45 min minimum on one ticket
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18:59 ATL → 18:57 BHMDL 2371 · Delta · 58m · 63% on time, 5.8% cancelled
Total trip 3h 57m, scheduled departure to arrival (Birmingham is 1 h behind Detroit). Times are local. Both flew on 52 of the last 56 days.
Makes the connection71%The first flight arrived more than 10 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time42%First flight not cancelled (0.6% are) × connection made (71%) × second flight not cancelled (5.8% are) and within 15 minutes (63%).
Total trip3h 57mDTW 16:00 to BHM 18:57, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.