IAH → DCAHouston to Washington

live

Direct flights from Houston (IAH) to Washington (DCA): 14 nonstop departures observed each week across 2 airlines. The median arrival is 8 minutes early. No cancellations were recorded across the 4 tracked flights. The nonstop covers 1,942 km, an estimated 2 hours 59 minutes in the air. Measured by Pro Flight Search from live flight boards at Houston and Washington. Updated 20 October 2026 at 19:18 UTC.

Today, IAH → DCA

Tue 20 Oct · local times
AA545849 min late

The IAH board at 13:47 shows departure at 18:06 instead of 17:17, gate A29 (TA).

Later cancelled
0.9%of 20,891 past AA flights whose board showed 40 to 70 min late
Still to leave today
UA1627 18:05UA · then UA2224 19:50
Track AA5458 →
  1. 07:45 UA512United Left 07:42 Landed 11:35 −18
  2. 09:43 UA4031United Left 09:35 DCA 13:59In the air · scheduled landing
  3. 10:30 AA5252American Left 10:26 Landed 14:18 −23
  4. 12:05 UA654United Left 12:08 DCA est. 16:10In the air · sched 16:13
  5. 14:20 UA625United On scheduleGate C10 · TC DCA est. 18:22sched 18:28
  6. 16:55 UA235 On scheduleGate E16 · TC ·
  7. 17:17 AA5458 Est. 18:06 +49Gate A29 · TA ·
  8. 18:05 UA1627 On scheduleGate C40 · TC ·
  9. 19:50 UA2224 On scheduleGate E20 · TC ·

Checked IAH board 13:47 · DCA board 10:18

IAH Houston smooth · +0
DCA Washington smooth · +0
1,942 km · ~2h 59m est.
dep bank 07:04–19:5014x weekly
Running clean · 2 airlines · 14x weekly · nonstop
100 / 100

route health from live IAH and DCA delay boards

Median arrival delay is −8 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−8 minacross the last 4 operated legs
Flight time~2h 59mestimated from route distance
Weekly departures14x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesUnited 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
American AirlinesAA

Flights AA5410 07:04 Mo We Th Fr · AA5252 10:30 daily · AA5458 17:17 Mo Tu We Th Fr Su

United AirlinesUA

Flights UA512 07:45 daily · UA4031 09:43 Mo Tu We Th Fr Su · UA654 12:05 daily · UA625 14:20 Mo Tu We Th Fr Su

History

operated legs · board outcomes
10-20AA5252dep −4 → arr−23
10-20UA4031departed−8
10-20UA512dep −3 → arr−18
10-20UA654dep +3 → arr−3

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 +0 min smooth 🌤 few clouds · E 7 kt Full IAH delay board →
DCAWashington +0 min smooth 🌤 clear · NNW 4 kt Full DCA delay board →

Weather lens

Current conditions put the pressure at DCA: 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 DCA 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 (DCA) route reliability, measured from operated flights on official airport boards.

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

IAH to DCA questions

Is IAH–DCA running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAH–DCA?

Operators schedule morning departures around 07:04 and evening departures around 17:17 from IAH. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DCA delay card to confirm conditions when you'd arrive.

How long is the flight from IAH to DCA?

Great-circle distance is 1,942 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 167–196 min gate-to-gate on this route.

How often does IAH–DCA fly?

2 carriers operate this route, around 63 flights a week between them. Compare carrier days and times in the airline list above.