Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Philadelphia via Denver: arrives on time 85%
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05:00 SFO → 08:35 DENUA 1479 · United · 2h 35m · 96% on time, 0.0% cancelled
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1h 00m layover in Denver (DEN) · 45 min minimum on one ticket
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09:35 DEN → 15:12 PHLUA 1575 · United · 3h 37m · 88% on time, 0.4% cancelled
Total trip 7h 12m, scheduled departure to arrival (Philadelphia is 3 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.
Makes the connection96%The first flight arrived more than 15 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.4% are) and within 15 minutes (88%).
Total trip7h 12mSFO 05:00 to PHL 15:12, 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.