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

Denver → Columbus via Dulles: arrives on time 71%

  1. 06:13 DEN → 11:41 IAD
    UA 1279 · United · 3h 28m · 94% on time, 0.0% cancelled
  2. 1h 04m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 12:45 IAD → 14:11 CMH
    UA 4420 · United, flown by GoJet · 1h 26m · 78% on time, 2.7% cancelled

Total trip 5h 58m, scheduled departure to arrival (Columbus is 2 h ahead of Denver). Times are local. Both flew on 37 of the last 56 days.

Makes the connection94%The first flight arrived more than 19 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time71%First flight not cancelled (0.0% are) × connection made (94%) × second flight not cancelled (2.7% are) and within 15 minutes (78%).
Total trip5h 58mDEN 06:13 to CMH 14:11, 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.