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

Dulles → Las Vegas via Denver: arrives on time 78%

  1. 08:15 IAD → 10:10 DEN
    UA 792 · United · 3h 55m · 95% on time, 0.0% cancelled
  2. 1h 12m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 11:22 DEN → 12:24 LAS
    UA 526 · United · 2h 02m · 83% on time, 0.0% cancelled

Total trip 7h 09m, scheduled departure to arrival (Las Vegas is 3 h behind Dulles). Times are local. Both flew on 37 of the last 56 days.

Makes the connection95%The first flight arrived more than 27 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time78%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip7h 09mIAD 08:15 to LAS 12:24, 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.