Direct flights from Houston (IAH) to Washington (IAD): 41 nonstop departures observed each week across 1 airline. 70% of the last 10 tracked flights arrived within 15 minutes of schedule. The median arrival is 6 minutes early. 3 of the 11 tracked flights were cancelled. The nonstop covers 1,913 km, an estimated 2 hours 57 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Washington. Updated 3 November 2026 at 20:21 UTC.
Pro Flight Search records official board updates for nonstop IAH to IAD flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Smooth skies ahead. The departure side at IAH is the weaker end, route health score 84/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IAH–IAD?
Operators schedule morning departures around 07:22 and evening departures around 20:38 from IAH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IAD delay card to confirm conditions when you'd arrive.
How long is the flight from IAH to IAD?
Great-circle distance is 1,913 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 165–194 min gate-to-gate on this route.
How often does IAH–IAD fly?
United Airlines runs the route with about 41 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.