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

Dulles → Portland via Dallas-Fort Worth: arrives on time 21%

  1. 19:31 IAD → 21:50 DFW
    AA 1904 · American · 3h 19m · 51% on time, 2.9% cancelled
  2. 1h 02m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 22:52 DFW → 00:52 PDX +1 day
    AA 2620 · American · 4h 01m · 44% on time, 6.8% cancelled

Total trip 8h 22m, scheduled departure to arrival (Portland is 3 h behind Dulles). Times are local. Both flew on 52 of the last 56 days.

Makes the connection52%The first flight arrived more than 17 minutes late on 48% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time21%First flight not cancelled (2.9% are) × connection made (52%) × second flight not cancelled (6.8% are) and within 15 minutes (44%).
Total trip8h 22mIAD 19:31 to PDX 00:52, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.