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

Huntsville → Denver via Dulles: arrives on time 73%

  1. 18:00 HSV → 21:06 IAD
    UA 4351 · United, flown by CommuteAir · 2h 06m · 85% on time, 1.4% cancelled
  2. 1h 17m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 22:23 IAD → 00:30 DEN +1 day
    UA 495 · United · 4h 07m · 84% on time, 0.3% cancelled

Total trip 7h 30m, scheduled departure to arrival (Denver is 1 h behind Huntsville). Times are local. Both flew on 54 of the last 56 days.

Makes the connection88%The first flight arrived more than 32 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 1h 17m layover.
Arrives on time73%First flight not cancelled (1.4% are) × connection made (88%) × second flight not cancelled (0.3% are) and within 15 minutes (84%).
Total trip7h 30mHSV 18:00 to DEN 00:30, 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.