Flights YV4004 varies Mo Tu Th Fr Su
Direct flights from Washington (IAD) to Houston (IAH): 12 nonstop departures observed each week across 2 airlines. 40% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 6 minutes early. 2 of the 5 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 Washington and Houston. Updated 18 October 2026 at 09:28 UTC.
Today, IAD → IAH
Sun 18 Oct · local times- 06:15 UA1747United On schedule IAH est. 08:09sched 08:27
- · UA1463United Airlines On schedule IAH 00:30scheduled
- · UA1524 On schedule IAH est. 10:35sched 10:51
- · UA1535 On schedule IAH 15:13scheduled
- · UA2217 On schedule IAH 20:17scheduled
- · UA2607 On schedule IAH 17:18scheduled
- · UA3263 Cancelled ·
Checked IAD board 02:24 · IAH board 04:28
of the last 5 operated IAD → IAH flights arrived within 15 minutes
Median arrival delay is −6 min. 2 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach 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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at IAD: 31% odds of a 15+ minute delay and around +4 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — Washington (IAD) to Houston (IAH) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/IAD-IAH
IAD to IAH questions
Is IAD–IAH running on time right now?
Mostly on schedule. The departure side at IAD is the weaker end, route health score 74/100. 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 06:15 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?
2 carriers operate this route, around 47 flights a week between them. Compare carrier days and times in the airline list above.