Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Buffalo via Philadelphia: arrives on time 84%
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23:55 DEN → 05:32 PHLAA 2500 · American · 3h 37m · 78% on time, 3.3% cancelled
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3h 12m layover in Philadelphia (PHL) · 45 min minimum on one ticket
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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 22m, scheduled departure to arrival (Buffalo is 2 h ahead of Denver). Times are local. Both flew on 47 of the last 56 days.
Makes the connection93%The first flight arrived more than 147 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 3h 12m layover.
Arrives on time84%First flight not cancelled (3.3% are) × connection made (93%) × second flight not cancelled (1.4% are) and within 15 minutes (94%).
Total trip8h 22mDEN 23:55 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.