Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Columbus via Denver: arrives on time 83%
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05:00 SEA → 08:43 DENUA 2601 · United · 2h 43m · 96% on time, 0.7% cancelled
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52m layover in Denver (DEN) · 45 min minimum on one ticket
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09:35 DEN → 14:28 CMHUA 480 · United · 2h 53m · 92% on time, 0.4% cancelled
Total trip 6h 28m, scheduled departure to arrival (Columbus is 3 h ahead of Seattle). Times are local. Both flew on 37 of the last 56 days.
Makes the connection92%The first flight arrived more than 7 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time83%First flight not cancelled (0.7% are) × connection made (92%) × second flight not cancelled (0.4% are) and within 15 minutes (92%).
Total trip6h 28mSEA 05:00 to CMH 14:28, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.