Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Baltimore → Columbus via Denver: arrives on time 21%
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16:55 BWI → 18:55 DENWN 939 · Southwest · 4h 00m · 56% on time, 7.0% cancelled
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55m layover in Denver (DEN) · 45 min minimum on one ticket
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19:50 DEN → 00:35 CMH +1 dayWN 1707 · Southwest · 2h 48m · 48% on time, 0.0% cancelled
Total trip 7h 43m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.
Makes the connection48%The first flight arrived more than 10 minutes late on 52% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time21%First flight not cancelled (7.0% are) × connection made (48%) × second flight not cancelled (0.0% are) and within 15 minutes (48%).
Total trip7h 43mBWI 16:55 to CMH 00:35, 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.