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

Buffalo → Philadelphia via Dulles: arrives on time 69%

  1. 06:15 BUF → 07:34 IAD
    UA 3668 · United, flown by Republic · 1h 19m · 90% on time, 4.8% cancelled
  2. 1h 01m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 08:35 IAD → 09:45 PHL
    UA 4015 · United, flown by Mesa · 1h 10m · 84% on time, 3.4% cancelled

Total trip 3h 30m, scheduled departure to arrival. Times are local. Both flew on 20 of the last 56 days.

Makes the connection90%The first flight arrived more than 16 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time69%First flight not cancelled (4.8% are) × connection made (90%) × second flight not cancelled (3.4% are) and within 15 minutes (84%).
Total trip3h 30mBUF 06:15 to PHL 09:45, 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.