Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Birmingham → Baltimore via Atlanta: arrives on time 67%
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14:10 BHM → 16:18 ATLDL 3012 · Delta · 1h 08m · 88% on time, 0.6% cancelled
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3h 12m layover in Atlanta (ATL) · 45 min minimum on one ticket
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19:30 ATL → 21:25 BWIDL 1257 · Delta · 1h 55m · 70% on time, 1.6% cancelled
Total trip 6h 15m, scheduled departure to arrival (Baltimore is 1 h ahead of Birmingham). Times are local. Both flew on 56 of the last 56 days.
Makes the connection97%The first flight arrived more than 147 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 12m layover.
Arrives on time67%First flight not cancelled (0.6% are) × connection made (97%) × second flight not cancelled (1.6% are) and within 15 minutes (70%).
Total trip6h 15mBHM 14:10 to BWI 21:25, 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.