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

Buffalo → Denver via Dulles: arrives on time 84%

  1. 06:15 BUF → 07:34 IAD
    UA 3668 · United, flown by Republic · 1h 19m · 90% on time, 4.8% cancelled
  2. 2h 39m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 10:13 IAD → 12:05 DEN
    UA 1865 · United · 3h 52m · 93% on time, 0.0% cancelled

Total trip 7h 50m, scheduled departure to arrival (Denver is 2 h behind Buffalo). Times are local. Both flew on 21 of the last 56 days.

Makes the connection95%The first flight arrived more than 114 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 39m layover.
Arrives on time84%First flight not cancelled (4.8% are) × connection made (95%) × second flight not cancelled (0.0% are) and within 15 minutes (93%).
Total trip7h 50mBUF 06:15 to DEN 12:05, 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.