Washington to Houston Flights DCA → IAH

Ronald Reagan Washington National Airport → George Bush Intercontinental Houston Airport

🇺🇸 Washington, US → 🇺🇸 Houston, US

The Washington to Houston route connects Ronald Reagan Washington National Airport (DCA) in US with George Bush Intercontinental Houston Airport (IAH) in US. This medium-haul flight covers approximately 1208 miles (1944 km) with a typical flight time of 3h 7m. This route is served by 2 airlines: United, Republic. AirportRoutes has tracked 4 daily flights on this route.

Departure Airport

Ronald Reagan Washington National Airport

ICAO Code:
KDCA
IATA Code:
DCA
City:
🇺🇸 Washington
Country:
US
Elevation:
15 ft

Destination Airport

George Bush Intercontinental Houston Airport

ICAO Code:
KIAH
IATA Code:
IAH
City:
🇺🇸 Houston
Country:
US
Elevation:
97 ft

2

Operators

4

Daily Flights

1208

Miles

3h 7m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United UAL UA
Republic RPA YX

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 11 14%
Tuesday 12 15%
Wednesday 12 15%
Thursday 10 12%
Friday 10 12%
Saturday 13 16%
Sunday 13 16%

Pattern Analysis

4 Daily Flights:
UAL1450 RPA4584 UAL1785 RPA4694
Data Points: 81
API observations used to build this analysis
Weekdays: 55 flights
Weekend: 26 flights
Business Route More active on weekdays

All Flight Routes

2 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
Republic
RPA / YX
RPA4584 RPA4694 E75L 06:59 6:59 AM (Representative)
M T W T F S S
Feb 6, 2026 Active
United
UAL / UA
UAL1450 UAL1785 B738 06:00 6:00 AM (Representative)
M T W T F S S
Feb 15, 2026 Active
Total Routes: 2
Active Routes: 2
Unique Airlines: 2
Aircraft Types: 2

Spotted Departure Times

Departure Time Operator ICAO IATA
06:00 6:00 AM United UAL UA
06:59 6:59 AM Republic RPA YX

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 2
Time Range:
06:00 - 06:59
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.