Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Nashville → Columbus via Chicago: arrives on time 18%
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16:15 BNA → 17:50 MDWWN 2241 · Southwest · 1h 35m · 27% on time, 2.4% cancelled
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1h 02m layover in Chicago (MDW) · 45 min minimum on one ticket
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18:52 MDW → 21:02 CMHWN 4043 · Southwest · 1h 15m · 60% on time, 4.0% cancelled
Total trip 3h 52m, scheduled departure to arrival (Columbus is 1 h ahead of Nashville). Times are local. Both flew on 40 of the last 56 days.
Makes the connection32%The first flight arrived more than 17 minutes late on 68% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time18%First flight not cancelled (2.4% are) × connection made (32%) × second flight not cancelled (4.0% are) and within 15 minutes (60%).
Total trip3h 52mBNA 16:15 to CMH 21:02, 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.