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

Las Vegas → Dulles via Chicago: arrives on time 77%

  1. 23:59 LAS → 05:40 ORD
    UA 726 · United · 3h 41m · 89% on time, 0.0% cancelled
  2. 50m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 06:30 ORD → 09:24 IAD +1 day
    UA 1689 · United · 1h 54m · 100% on time, 1.4% cancelled

Total trip 6h 25m, scheduled departure to arrival (Dulles is 3 h ahead of Las Vegas). Times are local. Both flew on 26 of the last 56 days.

Makes the connection78%The first flight arrived more than 5 minutes late on 22% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (78%) × second flight not cancelled (1.4% are) and within 15 minutes (100%).
Total trip6h 25mLAS 23:59 to IAD 09:24, 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.