Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbus → Denver via Baltimore: arrives on time 32%
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17:35 CMH → 19:00 BWIWN 1034 · Southwest · 1h 25m · 54% on time, 7.1% cancelled
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1h 00m layover in Baltimore (BWI) · 45 min minimum on one ticket
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20:00 BWI → 22:00 DENWN 4214 · Southwest · 4h 00m · 71% on time, 8.8% cancelled
Total trip 6h 25m, scheduled departure to arrival (Denver is 2 h behind Columbus). Times are local. Both flew on 24 of the last 56 days.
Makes the connection54%The first flight arrived more than 15 minutes late on 46% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time32%First flight not cancelled (7.1% are) × connection made (54%) × second flight not cancelled (8.8% are) and within 15 minutes (71%).
Total trip6h 25mCMH 17:35 to DEN 22:00, 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.