Phoenix (PHX) to Houston (IAH) flights

United Airlines, American Airlines, Frontier Airlines fly nonstop from Phoenix Sky Harbor International Airport to George Bush Intercontinental Airport, with about 55 flights a week in July 2026. The 1,009-mile flight takes about 2h 37m gate to gate.

From

PHX

Phoenix

Phoenix Sky Harbor International Airport

IAH

Houston

George Bush Intercontinental Airport

Distance: 1,009 mi · 1,624 km
Flight time: 2h 37m
Airlines: 3
Seats filled: 80%

Flights a week, July 2026

2,927 flights and 381,656 passengers in 12 months

Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying PHX to IAH

Airline	Flights a week	Aircraft	Passengers (12 months)	Flight time
United Airlines	29	Boeing 737-900, Boeing 737-900ER, Boeing 737 MAX 9	249,245	2h 36m
American Airlines	18	Airbus A319, Airbus A320-100/200, Boeing 737-800	71,792	2h 36m
Frontier Airlines	7	Airbus A320neo, Airbus A321, Airbus A320-100/200	46,670	2h 42m
SkyWest AirlinesSeasonal or ended	n/a	Bombardier CRJ900, Bombardier CRJ700, Embraer E175	11,386	2h 47m
Envoy AirSeasonal or ended	n/a	Embraer E175	2,563	2h 36m

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

PHX to IAH flight schedule

15 flight numbers flew this route in August 2026, 6 of them almost daily. The first usually leaves at 6:09am and the last at 6:57pm. Times are local and can change; check with the airline before you book.

Flight	Departs	Arrives	Days flown in August 2026	On time (12 months)
UA 1318United Airlines	6:09am	10:51am	30	92%
UA 2785United Airlines	8:30am	1:12pm	21	95%
UA 2812United Airlines	8:30am	1:06pm	10	70%
AA 2710American Airlines	8:54am	1:44pm	4	75%
F9 4184Frontier Airlines	9:04am	1:59pm	31	79%
AA 2357American Airlines	9:37am	2:27pm	8	61%
AA 3966American Airlines · operated by Envoy Air	9:41am	2:35pm	23	87%
UA 2224United Airlines	12:15pm	4:55pm	21	80%
UA 1373United Airlines	12:20pm	5:03pm	10	79%
AA 6356American Airlines · operated by SkyWest Airlines	12:49pm	5:35pm	4	n/a
AA 4132American Airlines · operated by Envoy Air	3:30pm	8:19pm	23	86%
UA 2198United Airlines	4:12pm	8:55pm	8	81%
UA 1179United Airlines	4:18pm	8:55pm	12	81%
UA 1885United Airlines	6:47pm	11:30pm	4	79%
AA 3890American Airlines · operated by Envoy Air	6:57pm	11:44pm	4	n/a

Is PHX to IAH on time?

From September 2025 to August 2026, 82% of 2,977 flights arrived within 15 minutes of schedule and 0.8% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 6pm the least (68%). Most delay time was caused by late-arriving aircraft (40%).

Airline	Flights	On time	Average delay	Cancelled
United Airlines	1,773	86%	13 min	0.4%
American Airlines	898	75%	18 min	1.6%
Frontier Airlines	306	81%	13 min	0.7%

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 departure	Flights	On time
6am to 7am	242	93%
7am to 8am	147	92%
8am to 9am	356	79%
9am to 10am	412	85%
10am to 11am	202	85%
11am to 12pm	125	94%
12pm to 1pm	299	79%
1pm to 2pm	242	82%
3pm to 4pm	174	80%
4pm to 5pm	224	75%
5pm to 6pm	126	77%
6pm to 7pm	229	68%
8pm to 9pm	73	82%

Flights by month

Month	Flights	Passengers
August 2025	193	22,888
September 2025	189	24,770
October 2025	253	34,720
November 2025	262	33,082
December 2025	267	34,718
January 2026	248	31,589
February 2026	243	31,261
March 2026	293	37,953
April 2026	247	31,401
May 2026	259	35,018
June 2026	231	32,571
July 2026	243	31,700

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