Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → St Louis via San Francisco: arrives on time 52%
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09:26 SAN → 11:12 SFOUA 1113 · United · 1h 46m · 69% on time, 0.0% cancelled
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1h 00m layover in San Francisco (SFO) · 45 min minimum on one ticket
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12:12 SFO → 18:17 STLUA 2090 · United · 4h 05m · 75% on time, 0.0% cancelled
Total trip 6h 51m, scheduled departure to arrival (St Louis is 2 h ahead of San Diego). Times are local. Both flew on 29 of the last 56 days.
Makes the connection69%The first flight arrived more than 15 minutes late on 31% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time52%First flight not cancelled (0.0% are) × connection made (69%) × second flight not cancelled (0.0% are) and within 15 minutes (75%).
Total trip6h 51mSAN 09:26 to STL 18:17, 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.