Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → Birmingham via Atlanta: arrives on time 67%
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08:25 DTW → 10:25 ATLDL 1653 · Delta · 2h 00m · 83% on time, 0.0% cancelled
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50m layover in Atlanta (ATL) · 45 min minimum on one ticket
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11:15 ATL → 11:11 BHMDL 1017 · Delta · 56m · 91% on time, 1.9% cancelled
Total trip 3h 46m, scheduled departure to arrival (Birmingham is 1 h behind Detroit). Times are local. Both flew on 54 of the last 56 days.
Makes the connection75%The first flight arrived more than 5 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time67%First flight not cancelled (0.0% are) × connection made (75%) × second flight not cancelled (1.9% are) and within 15 minutes (91%).
Total trip3h 46mDTW 08:25 to BHM 11:11, 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.