Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Pittsburgh → San Francisco via Denver: arrives on time 59%
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16:18 PIT → 18:02 DENUA 1816 · United · 3h 44m · 86% on time, 1.3% cancelled
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3h 08m 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 9h 38m, scheduled departure to arrival (San Francisco is 3 h behind Pittsburgh). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection99%The first flight arrived more than 143 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 08m layover.
Arrives on time59%First flight not cancelled (1.3% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (60%).
Total trip9h 38mPIT 16:18 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.