Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbus → San Diego via San Francisco: arrives on time 49%
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07:00 CMH → 09:06 SFOUA 1597 · United · 5h 06m · 75% on time, 0.7% cancelled
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59m layover in San Francisco (SFO) · 45 min minimum on one ticket
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10:05 SFO → 11:51 SANUA 2177 · United · 1h 46m · 68% on time, 0.0% cancelled
Total trip 7h 51m, scheduled departure to arrival (San Diego is 3 h behind Columbus). Times are local. Both flew on 56 of the last 56 days.
Makes the connection73%The first flight arrived more than 14 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time49%First flight not cancelled (0.7% are) × connection made (73%) × second flight not cancelled (0.0% are) and within 15 minutes (68%).
Total trip7h 51mCMH 07:00 to SAN 11:51, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.