Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Columbus via Chicago: arrives on time 70%
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08:15 SFO → 14:50 ORDUA 1568 · United · 4h 35m · 85% on time, 0.5% cancelled
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2h 55m layover in Chicago (ORD) · 45 min minimum on one ticket
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17:45 ORD → 20:24 CMHUA 3674 · United, flown by Republic · 1h 39m · 79% on time, 6.9% cancelled
Total trip 9h 09m, scheduled departure to arrival (Columbus is 3 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.
Makes the connection95%The first flight arrived more than 130 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 55m layover.
Arrives on time70%First flight not cancelled (0.5% are) × connection made (95%) × second flight not cancelled (6.9% are) and within 15 minutes (79%).
Total trip9h 09mSFO 08:15 to CMH 20:24, 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.