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

Houston → Las Vegas via Dulles: arrives on time 87%

  1. 07:20 IAH → 11:28 IAD
    UA 1549 · United · 3h 08m · 92% on time, 0.6% cancelled
  2. 1h 32m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 13:00 IAD → 15:09 LAS
    UA 2156 · United · 5h 09m · 91% on time, 0.4% cancelled

Total trip 9h 49m, scheduled departure to arrival (Las Vegas is 2 h behind Houston). Times are local. Both flew on 55 of the last 56 days.

Makes the connection97%The first flight arrived more than 47 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 32m layover.
Arrives on time87%First flight not cancelled (0.6% are) × connection made (97%) × second flight not cancelled (0.4% are) and within 15 minutes (91%).
Total trip9h 49mIAH 07:20 to LAS 15:09, 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.