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

Dulles → Philadelphia via Atlanta: arrives on time 68%

  1. 08:27 IAD → 10:17 ATL
    DL 3080 · Delta · 1h 48m · 83% on time, 1.5% cancelled
  2. 2h 43m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:00 ATL → 15:02 PHL
    DL 2131 · Delta · 2h 02m · 73% on time, 2.6% cancelled

Total trip 6h 35m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection97%The first flight arrived more than 118 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 43m layover.
Arrives on time68%First flight not cancelled (1.5% are) × connection made (97%) × second flight not cancelled (2.6% are) and within 15 minutes (73%).
Total trip6h 35mIAD 08:27 to PHL 15:02, 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.