Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbus → St Louis via Dallas: arrives on time 36%
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15:55 CMH → 17:25 DALWN 1184 · Southwest · 2h 30m · 63% on time, 0.0% cancelled
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1h 00m layover in Dallas (DAL) · 45 min minimum on one ticket
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18:25 DAL → 20:10 STLWN 4444 · Southwest · 1h 45m · 56% on time, 0.0% cancelled
Total trip 5h 15m, scheduled departure to arrival (St Louis is 1 h behind Columbus). Times are local. Both flew on 31 of the last 56 days.
Makes the connection63%The first flight arrived more than 15 minutes late on 37% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time36%First flight not cancelled (0.0% are) × connection made (63%) × second flight not cancelled (0.0% are) and within 15 minutes (56%).
Total trip5h 15mCMH 15:55 to STL 20:10, 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.