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

Dulles → Portland via Atlanta: arrives on time 82%

  1. 06:00 IAD → 07:46 ATL
    DL 2127 · Delta · 1h 46m · 90% on time, 2.6% cancelled
  2. 2h 34m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 10:20 ATL → 13:00 PWM
    DL 2479 · Delta · 2h 40m · 87% on time, 0.0% cancelled

Total trip 7h 00m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 109 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 34m layover.
Arrives on time82%First flight not cancelled (2.6% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip7h 00mIAD 06:00 to PWM 13:00, 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.