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

Buffalo → Dulles via Atlanta: arrives on time 66%

  1. 19:15 BUF → 21:30 ATL
    DL 2050 · Delta · 2h 20m · 84% on time, 2.9% cancelled
  2. 1h 23m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:53 ATL → 00:44 IAD +1 day
    DL 2549 · Delta · 1h 51m · 75% on time, 2.1% cancelled

Total trip 5h 29m, scheduled departure to arrival. Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.

Makes the connection93%The first flight arrived more than 38 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 23m layover.
Arrives on time66%First flight not cancelled (2.9% are) × connection made (93%) × second flight not cancelled (2.1% are) and within 15 minutes (75%).
Total trip5h 29mBUF 19:15 to IAD 00:44, 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.