Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dallas → Philadelphia via Atlanta: arrives on time 54%
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15:59 DAL → 19:14 ATLDL 512 · Delta · 2h 15m · 72% on time, 1.4% cancelled
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1h 01m layover in Atlanta (ATL) · 45 min minimum on one ticket
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20:15 ATL → 22:20 PHLDL 1174 · Delta · 1h 58m · 76% on time, 0.9% cancelled
Total trip 5h 14m, scheduled departure to arrival (Philadelphia is 1 h ahead of Dallas). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection72%The first flight arrived more than 16 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time54%First flight not cancelled (1.4% are) × connection made (72%) × second flight not cancelled (0.9% are) and within 15 minutes (76%).
Total trip5h 14mDAL 15:59 to PHL 22:20, 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.