Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Houston via San Francisco: arrives on time 37%
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11:55 SAN → 13:41 SFOUA 2428 · United · 1h 46m · 72% on time, 0.0% cancelled
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47m layover in San Francisco (SFO) · 45 min minimum on one ticket
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14:28 SFO → 20:40 IAHUA 2002 · United · 4h 12m · 71% on time, 0.0% cancelled
Total trip 6h 45m, scheduled departure to arrival (Houston is 2 h ahead of San Diego). Times are local. Both flew on 56 of the last 56 days.
Makes the connection53%The first flight arrived more than 2 minutes late on 47% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time37%First flight not cancelled (0.0% are) × connection made (53%) × second flight not cancelled (0.0% are) and within 15 minutes (71%).
Total trip6h 45mSAN 11:55 to IAH 20:40, 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.