IAD → IAHWashington to Houston

live

Direct flights from Washington (IAD) to Houston (IAH): 37 nonstop departures observed each week across 1 airline. 89% of the last 9 tracked flights arrived within 15 minutes of schedule. The median arrival is 18 minutes early. No cancellations were recorded across the 10 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 1 November 2026 at 07:23 UTC.

Today, IAD → IAH

Sun 1 Nov · local times
  1. · UA1317United On schedule IAH 20:30scheduled
  2. · UA1381United On schedule IAH 17:15scheduled
  3. · UA1524United On schedule IAH 11:10scheduled
  4. · UA1535United On schedule IAH 15:27scheduled
  5. · UA2655United On schedule IAH 08:37scheduled

Checked IAD board 01:36 · IAH board 01:23

IAD Washington smooth · +8
IAH Houston smooth · +4
1,913 km · ~2h 57m est.
dep bank 06:00–17:5437x weekly
Runs reliable · 1 airline · 37x weekly · nonstop
89% on time

of the last 9 tracked IAD → IAH flights arrived within 15 minutes

Median arrival delay is −18 min. 0 of 10 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−18 minacross the last 9 arrivals
Flight time~2h 57mestimated from route distance
Weekly departures37x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 10

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 AirlinesUA89% on time

Flights UA2655 06:00 daily · UA1524 varies daily · UA3263 varies Tu Su · UA1535 varies daily

History

operated legs · board outcomes
10-31UA1317dep +18 → arr−32
10-31UA1381dep +6 → arr−18
10-31UA1524dep +44 → arr+1
10-31UA1535dep +23 → arr−15
10-31UA2655dep +20 → arr−27
10-30UA1317dep +20 → arr−31
10-30UA1381dep +16 → arr−28
10-30UA1524dep +24 → arr−14
10-30UA1535dep +226 → arr+177
10-30UA2655departed+9

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 +8 min smooth 🌤 overcast · N 0 kt Full IAD delay board →
IAHHouston +4 min smooth 🌤 scattered clouds · NNE 3 kt Full IAH delay board →

Weather lens

Conditions are tightest at IAD: a 30% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +4 min. Both figures come from the two airports' delay records in similar weather. 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 90/100. 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 06:00 and evening departures around 17:54 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.