Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbus → San Francisco via Dulles: arrives on time 67%
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19:40 CMH → 21:09 IADUA 4593 · United, flown by GoJet · 1h 29m · 89% on time, 9.7% cancelled
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1h 12m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:21 IAD → 01:15 SFO +1 dayUA 367 · United · 5h 54m · 84% on time, 0.6% cancelled
Total trip 8h 35m, scheduled departure to arrival (San Francisco is 3 h behind Columbus). Times are local. Both flew on 31 of the last 56 days.
Makes the connection89%The first flight arrived more than 27 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time67%First flight not cancelled (9.7% are) × connection made (89%) × second flight not cancelled (0.6% are) and within 15 minutes (84%).
Total trip8h 35mCMH 19:40 to SFO 01:15, 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.