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

Dulles → Buffalo via Atlanta: arrives on time 66%

  1. 12:37 IAD → 14:34 ATL
    DL 1444 · Delta · 1h 56m · 83% on time, 3.6% cancelled
  2. 1h 59m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 16:33 ATL → 18:41 BUF
    DL 2050 · Delta · 2h 08m · 75% on time, 2.6% cancelled

Total trip 6h 04m, scheduled departure to arrival. Times are local. Both flew on 42 of the last 56 days.

Makes the connection94%The first flight arrived more than 74 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 59m layover.
Arrives on time66%First flight not cancelled (3.6% are) × connection made (94%) × second flight not cancelled (2.6% are) and within 15 minutes (75%).
Total trip6h 04mIAD 12:37 to BUF 18:41, 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.