Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbus → Phoenix via Denver: arrives on time 22%
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19:00 CMH → 20:10 DENWN 921 · Southwest · 3h 10m · 73% on time, 0.0% cancelled
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50m layover in Denver (DEN) · 45 min minimum on one ticket
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21:00 DEN → 22:00 PHXWN 1684 · Southwest · 1h 55m · 40% on time, 3.5% cancelled
Total trip 5h 55m, scheduled departure to arrival (Phoenix is 3 h behind Columbus). Times are local. Both flew on 24 of the last 56 days.
Makes the connection58%The first flight arrived more than 5 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time22%First flight not cancelled (0.0% are) × connection made (58%) × second flight not cancelled (3.5% are) and within 15 minutes (40%).
Total trip5h 55mCMH 19:00 to PHX 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.