Houston (IAH) to Raleigh/Durham (RDU) flights

United Airlines, Frontier Airlines, Mesa Airlines fly nonstop from George Bush Intercontinental Airport to Raleigh-Durham International Airport, with about 25 flights a week in July 2026. The 1,042-mile flight takes about 2h 39m gate to gate.

From
IAH
Houston
George Bush Intercontinental Airport
To
RDU
Raleigh/Durham
Raleigh-Durham International Airport
Distance
1,042 mi · 1,677 km
Flight time
2h 39m
Airlines
3
Seats filled
80%
Flights a week, July 2026
1,249 flights and 146,461 passengers in 12 months
RDURDUIAH
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying IAH to RDU

AirlineFlights a weekAircraftPassengers (12 months)Flight time
United Airlines12Boeing 737 MAX 8, Boeing 737-800, Boeing 737 MAX 990,5282h 39m
Frontier Airlines7Airbus A321, Airbus A320neo, Airbus A320-100/20035,2032h 43m
Mesa Airlines7Embraer E17520,7302h 38m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

IAH to RDU flight schedule

5 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 7:40am and the last at 6:10pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
UA 4064United Airlines · operated by Mesa Airlines7:40am11:26am1894%
UA 6148United Airlines · operated by Mesa Airlines8:15am12:02pm890%
F9 1742Frontier Airlines9:40am1:36pm3182%
UA 2196United Airlines12:10pm3:59pm2888%
UA 2498United Airlines6:10pm9:59pm2877%

Is IAH to RDU on time?

From September 2025 to August 2026, 85% of 1,279 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 7am were the most punctual (94%), those around 6pm the least (77%). Most delay time was caused by late-arriving aircraft (49%).

AirlineFlightsOn timeAverage delayCancelled
United Airlines1,03386%9 min0.9%
Frontier Airlines24679%18 min2.4%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
7am to 8am85
94%
8am to 9am229
91%
9am to 10am131
82%
11am to 12pm27
89%
12pm to 1pm327
90%
4pm to 5pm27
82%
5pm to 6pm40
76%
6pm to 7pm349
77%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025100
12,040
September 2025100
11,515
October 2025113
13,582
November 2025102
11,846
December 2025106
11,863
January 202692
10,134
February 202692
10,981
March 2026107
13,009
April 2026103
11,651
May 2026112
13,460
June 2026112
13,126
July 2026113
13,442

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.