Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Philadelphia → Phoenix via Denver: arrives on time 75%
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10:00 PHL → 12:01 DENUA 1537 · United · 4h 01m · 79% on time, 0.0% cancelled
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1h 24m layover in Denver (DEN) · 45 min minimum on one ticket
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13:25 DEN → 15:23 PHXUA 631 · United · 2h 01m · 88% on time, 0.5% cancelled
Total trip 7h 26m, scheduled departure to arrival (Phoenix is 3 h behind Philadelphia). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection85%The first flight arrived more than 39 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 1h 24m layover.
Arrives on time75%First flight not cancelled (0.0% are) × connection made (85%) × second flight not cancelled (0.5% are) and within 15 minutes (88%).
Total trip7h 26mPHL 10:00 to PHX 15:23, 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.