Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Columbus via Dulles: arrives on time 70%
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12:55 SFO → 20:48 IADUA 755 · United · 4h 54m · 78% on time, 0.0% cancelled
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1h 22m 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 46m, scheduled departure to arrival (Columbus is 3 h ahead of San Francisco). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection85%The first flight arrived more than 37 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 1h 22m layover.
Arrives on time70%First flight not cancelled (0.0% are) × connection made (85%) × second flight not cancelled (2.1% are) and within 15 minutes (84%).
Total trip7h 46mSFO 12:55 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.