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

Dulles → Denver via New York: arrives on time 42%

  1. 12:40 IAD → 14:10 LGA
    UA 3698 · United, flown by Republic · 1h 30m · 68% on time, 4.5% cancelled
  2. 1h 10m layover in New York (LGA) · 45 min minimum on one ticket
  3. 15:20 LGA → 17:56 DEN
    UA 1729 · United · 4h 36m · 63% on time, 2.8% cancelled

Total trip 7h 16m, scheduled departure to arrival (Denver is 2 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.

Makes the connection72%The first flight arrived more than 25 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time42%First flight not cancelled (4.5% are) × connection made (72%) × second flight not cancelled (2.8% are) and within 15 minutes (63%).
Total trip7h 16mIAD 12:40 to DEN 17:56, 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.