Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Columbus via Atlanta: arrives on time 76%
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10:16 HOU → 13:20 ATLDL 1509 · Delta · 2h 04m · 88% on time, 3.0% cancelled
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1h 05m layover in Atlanta (ATL) · 45 min minimum on one ticket
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14:25 ATL → 15:59 CMHDL 2200 · Delta · 1h 35m · 88% on time, 1.2% cancelled
Total trip 4h 44m, scheduled departure to arrival (Columbus is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection90%The first flight arrived more than 20 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time76%First flight not cancelled (3.0% are) × connection made (90%) × second flight not cancelled (1.2% are) and within 15 minutes (88%).
Total trip4h 44mHOU 10:16 to CMH 15:59, 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.