IAH → IADHouston to Washington

live

Direct flights from Houston (IAH) to Washington (IAD): 7 nonstop departures observed each week across 1 airline. 86% of the last 7 operated flights arrived within 15 minutes of schedule. The median arrival is 9 minutes early. No cancellations were recorded across the 7 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 Houston and Washington. Updated 11 September 2026 at 10:18 UTC.

IAH Houston disrupted · +173
IAD Washington smooth · +0
1,913 km · ~2h 57m est.
dep bank 07:20–20:207x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
86% on time

of the last 7 operated IAH → IAD flights arrived within 15 minutes

Median arrival delay is −9 min. 0 of 7 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−9 minacross the last 7 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 AirlinesUA86% on time

Flights UA1549 07:20 daily · UA2366 12:10 daily · UA1478 14:48 Mo Th Fr Sa Su · UA2388 16:45 daily

History

operated legs · board outcomes
09-10UA1373dep −5 → arr−21
09-10UA1549dep +2 → arr−9
09-10UA1927dep +17 → arr−8
09-10UA2366arrived−13
09-10UA2388arrived−8
09-10UA6135arrived+38
09-09UA1927arrived−18

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
IAHHouston +173 min disrupted 🌤 few clouds · N 0 kt Full IAH delay board →
IADWashington +0 min smooth 🌫 overcast · N 0 kt Full IAD delay board →

Weather lens

Current conditions put the pressure at IAD: 34% odds of a 15+ minute delay and around +7 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Houston to Washington route actually runs

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.

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

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

IAH to IAD questions

Is IAH–IAD running on time right now?

Significant delay risk. The departure side at IAH is the weaker end, route health score 50/100. 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 07:20 and evening departures around 18:40 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 40 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.