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

Dulles → Philadelphia via Atlanta: arrives on time 75%

  1. 06:00 IAD → 07:46 ATL
    DL 2127 · Delta · 1h 46m · 90% on time, 2.6% cancelled
  2. 1h 09m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 08:55 ATL → 10:57 PHL
    DL 2270 · Delta · 2h 06m · 87% on time, 3.7% cancelled

Total trip 5h 01m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection92%The first flight arrived more than 24 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 1h 09m layover.
Arrives on time75%First flight not cancelled (2.6% are) × connection made (92%) × second flight not cancelled (3.7% are) and within 15 minutes (87%).
Total trip5h 01mIAD 06:00 to PHL 10:57, 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.