Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Buffalo → Denver via Philadelphia: arrives on time 83%

  1. 05:20 BUF → 06:46 PHL
    AA 5873 · American, flown by Piedmont · 1h 26m · 95% on time, 0.0% cancelled
  2. 2h 49m layover in Philadelphia (PHL) · 45 min minimum on one ticket
  3. 09:35 PHL → 11:56 DEN
    AA 3312 · American · 4h 21m · 85% on time, 0.0% cancelled

Total trip 8h 36m, scheduled departure to arrival (Denver is 2 h behind Buffalo). Times are local. Both flew on 48 of the last 56 days.

Makes the connection98%The first flight arrived more than 124 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 49m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip8h 36mBUF 05:20 to DEN 11:56, 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.