Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → San Francisco via Denver: arrives on time 59%
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16:35 SAT → 18:08 DENUA 2479 · United · 2h 33m · 76% on time, 0.0% cancelled
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3h 02m layover in Denver (DEN) · 45 min minimum on one ticket
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21:10 DEN → 22:56 SFOUA 2123 · United · 2h 46m · 60% on time, 0.0% cancelled
Total trip 8h 21m, scheduled departure to arrival (San Francisco is 2 h behind San Antonio). Times are local. Both flew on 55 of the last 56 days.
Makes the connection98%The first flight arrived more than 137 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 02m layover.
Arrives on time59%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (60%).
Total trip8h 21mSAT 16:35 to SFO 22:56, 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.