Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Buffalo via Philadelphia: arrives on time 91%
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23:59 DEN → 05:31 PHLUA 1214 · United · 3h 32m · 83% on time, 0.0% cancelled
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3h 13m layover in Philadelphia (PHL) · 90 min minimum on separate tickets
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08:44 PHL → 10:18 BUF +1 dayAA 5925 · American, flown by Piedmont · 1h 33m · 94% on time, 1.4% cancelled
Total trip 8h 18m, scheduled departure to arrival (Buffalo is 2 h ahead of Denver). Times are local. Both flew on 48 of the last 56 days.
Makes the connection98%The first flight arrived more than 103 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 13m layover.
Arrives on time91%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (1.4% are) and within 15 minutes (94%).
Total trip8h 18mDEN 23:59 to BUF 10:18, 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.