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

Denver → Hartford via Dulles: arrives on time 66%

  1. 15:40 DEN → 21:11 IAD
    UA 421 · United · 3h 31m · 71% on time, 0.0% cancelled
  2. 1h 14m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 22:25 IAD → 23:59 BDL
    UA 444 · United · 1h 34m · 83% on time, 1.5% cancelled

Total trip 6h 19m, scheduled departure to arrival (Hartford is 2 h ahead of Denver). Times are local. Both flew on 54 of the last 56 days.

Makes the connection80%The first flight arrived more than 29 minutes late on 20% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time66%First flight not cancelled (0.0% are) × connection made (80%) × second flight not cancelled (1.5% are) and within 15 minutes (83%).
Total trip6h 19mDEN 15:40 to BDL 23:59, 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.