Great-circle route IAH ↔ PHX. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| IAH → PHX Houston to Phoenix |
56/wk | Daily | American Airlines, Frontier Airlines, United Airlines |
| PHX → IAH Phoenix to Houston |
56/wk | Daily | American Airlines, Frontier Airlines, United Airlines |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 749,946 passengers on 6,279 flights between IAH and PHX — about 2,056 a day — filling 78% of the 964,217 seats flown. United Air Lines Inc. carried the most passengers (67%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
3 airlines fly the IAH–PHX nonstop, including American Airlines, Frontier Airlines, United Airlines.
Recent scheduled departures on this route have used the Airbus A320, Boeing 737-900, Airbus A319, Boeing 737-800 and 1 other types.
Aircraft assignments change by season and by time of day.
The distance between George Bush Intercontinental Houston Airport and Phoenix Sky Harbor International Airport is 1,007 miles, or 1,621 kilometres.
| Great-circle distance | 1,007 mi |
| Kilometres | 1,621 km |
| Nautical miles | 875 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 3 airlines fly the route nonstop, with about 112 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 2h 34m in the air. That is a great-circle estimate from the 1,007-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
About 56 a week from Houston to Phoenix and 56 a week from Phoenix to Houston, from our most recent schedule sample.
American Airlines, Frontier Airlines, United Airlines.
In 2025, airlines reported 749,946 passengers on 6,279 scheduled flights between IAH and PHX — about 2,056 a day — filling 78% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Airbus A320, Boeing 737-900, Airbus A319, Boeing 737-800. Assignments change by season and by time of day.
