IAD → IAHWashington to Houston

live

Direct flights from Washington (IAD) to Houston (IAH): 7 nonstop departures observed each week across 1 airline. The median arrival is 19 minutes early. No cancellations were recorded across the 2 tracked flights. 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 Washington and Houston. Updated 9 September 2026 at 18:53 UTC.

IAD Washington smooth · +11
IAH Houston smooth · +0
1,913 km · ~2h 57m est.
dep bank 06:30–22:297x weekly
Running clean · 1 airline · 7x weekly · nonstop
92 / 100

route health from live IAD and IAH delay boards

Median arrival delay is −19 min. 0 of 2 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−19 minacross the last 2 operated legs
Flight time~2h 57mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
United Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
United AirlinesUA

Flights UA2228 06:30 Mo Th Fr Sa Su · UA1524 08:31 daily · UA1535 12:57 daily · UA2607 15:02 Mo Th Fr Su

History

operated legs · board outcomes
09-09UA1524dep +14 → arr−19
09-08UA1463arrived−21

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
IADWashington +11 min smooth 🌤 scattered clouds · SSW 10 kt Full IAD delay board →
IAHHouston +0 min smooth 🌤 mostly cloudy · NNE 4 kt Full IAH delay board →

Weather lens

Current conditions put the pressure at IAD and IAH: 33% odds of a 15+ minute delay and around +2 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Washington to Houston route actually runs

Pro Flight Search records official board updates for nonstop IAD to IAH 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.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Washington (IAD) to Houston (IAH) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/IAD-IAH
How we measure this →

IAD to IAH questions

Is IAD–IAH running on time right now?

Smooth skies ahead. The departure side at IAD is the weaker end, route health score 92/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAD–IAH?

Operators schedule morning departures around 06:30 and evening departures around 17:55 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the IAH delay card to confirm conditions when you'd arrive.

How long is the flight from IAD to IAH?

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 IAD–IAH fly?

United Airlines runs the route with about 37 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.