Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Columbus via Chicago: arrives on time 87%
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23:11 SEA → 05:18 ORDUA 747 · United · 4h 07m · 86% on time, 0.3% cancelled
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2h 02m layover in Chicago (ORD) · 45 min minimum on one ticket
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07:20 ORD → 09:57 CMH +1 dayUA 2779 · United · 1h 37m · 94% on time, 2.7% cancelled
Total trip 7h 46m, 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 connection95%The first flight arrived more than 77 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 02m layover.
Arrives on time87%First flight not cancelled (0.3% are) × connection made (95%) × second flight not cancelled (2.7% are) and within 15 minutes (94%).
Total trip7h 46mSEA 23:11 to CMH 09:57, 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.