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

Hartford → Houston via Dulles: arrives on time 57%

  1. 19:45 BDL → 21:14 IAD
    UA 3999 · United, flown by Mesa · 1h 29m · 68% on time, 6.6% cancelled
  2. 1h 06m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 22:20 IAD → 00:45 IAH +1 day
    UA 1986 · United · 3h 25m · 81% on time, 0.0% cancelled

Total trip 6h 00m, scheduled departure to arrival (Houston is 1 h behind Hartford). Times are local. Both flew on 31 of the last 56 days.

Makes the connection75%The first flight arrived more than 21 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 1h 06m layover.
Arrives on time57%First flight not cancelled (6.6% are) × connection made (75%) × second flight not cancelled (0.0% are) and within 15 minutes (81%).
Total trip6h 00mBDL 19:45 to IAH 00:45, 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.