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

Dulles → Denver 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. 55m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
  3. 22:45 DFW → 23:55 DEN
    AA 662 · American · 2h 10m · 44% on time, 2.5% cancelled

Total trip 6h 24m, scheduled departure to arrival (Denver is 2 h behind Dulles). Times are local. Both flew on 46 of the last 56 days.

Makes the connection49%The first flight arrived more than 10 minutes late on 51% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time21%First flight not cancelled (2.9% are) × connection made (49%) × second flight not cancelled (2.5% are) and within 15 minutes (44%).
Total trip6h 24mIAD 19:31 to DEN 23:55, 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.