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

Dulles → Philadelphia via Atlanta: arrives on time 70%

  1. 15:02 IAD → 16:54 ATL
    DL 2135 · Delta · 1h 52m · 73% on time, 0.0% cancelled
  2. 3h 21m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 20:15 ATL → 22:20 PHL
    DL 1174 · Delta · 1h 58m · 76% on time, 0.9% cancelled

Total trip 7h 11m, 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 156 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 3h 21m layover.
Arrives on time70%First flight not cancelled (0.0% are) × connection made (93%) × second flight not cancelled (0.9% are) and within 15 minutes (76%).
Total trip7h 11mIAD 15:02 to PHL 22:20, 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.