Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Columbus via Dulles: arrives on time 77%
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13:00 SEA → 21:06 IADUA 2131 · United · 5h 06m · 93% on time, 0.0% cancelled
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1h 04m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:10 IAD → 23:43 CMHUA 3646 · United, flown by Republic · 1h 31m · 84% on time, 2.1% cancelled
Total trip 7h 41m, scheduled departure to arrival (Columbus is 3 h ahead of Seattle). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection93%The first flight arrived more than 19 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (93%) × second flight not cancelled (2.1% are) and within 15 minutes (84%).
Total trip7h 41mSEA 13:00 to CMH 23:43, 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.