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

Dulles → Chicago via Houston: arrives on time 85%

  1. 06:30 IAD → 08:39 IAH
    UA 1935 · United · 3h 09m · 100% on time, 0.0% cancelled
  2. 56m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 09:35 IAH → 12:29 ORD
    UA 2124 · United · 2h 54m · 86% on time, 0.3% cancelled

Total trip 6h 59m, scheduled departure to arrival (Chicago is 1 h behind Dulles). Times are local. Both flew on 37 of the last 56 days.

Makes the connection100%The first flight arrived more than 11 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.3% are) and within 15 minutes (86%).
Total trip6h 59mIAD 06:30 to ORD 12:29, 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.