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

Dayton → Denver via Dulles: arrives on time 67%

  1. 14:53 DAY → 16:30 IAD
    UA 4824 · United, flown by CommuteAir · 1h 37m · 80% on time, 1.9% cancelled
  2. 2h 50m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 19:20 IAD → 21:27 DEN
    UA 2667 · United · 4h 07m · 74% on time, 0.0% cancelled

Total trip 8h 34m, scheduled departure to arrival (Denver is 2 h behind Dayton). Times are local. Both flew on 32 of the last 56 days.

Makes the connection93%The first flight arrived more than 125 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 2h 50m layover.
Arrives on time67%First flight not cancelled (1.9% are) × connection made (93%) × second flight not cancelled (0.0% are) and within 15 minutes (74%).
Total trip8h 34mDAY 14:53 to DEN 21:27, 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.