Phoenix to Houston (PHX-IAH): nonstop upgrade & award space

United Airlines, American Airlines, and Frontier Airlines fly nonstop between Phoenix (PHX) and Houston (IAH), roughly 101 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on American Airlines, on every PHX to IAH departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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101
Nonstop flights a week
1,008 mi
Nonstop distance
Free
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Phoenix to Houston flight schedule

Scheduled nonstop departures for PHX to IAH, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Phoenix (PHX) to Houston (IAH)
Date Flight Airline Departs PHX Arrives IAH Duration Aircraft
UA 1318United Airlines06:0910:512h 42m739
UA 2003United Airlines08:3013:122h 42m739
UA 2785United Airlines08:3013:122h 42m739
UA 2812United Airlines08:3013:062h 36m739
AA 2357American Airlines08:4913:342h 45m320
F9 1704Frontier Airlines12:1316:562h 43m32N
UA 2224United Airlines12:1516:552h 40m7M9
UA 1373United Airlines12:2017:032h 43m739
F9 4184Frontier Airlines16:1120:522h 41m321
UA 1318United Airlines06:0910:512h 42m739
UA 2003United Airlines08:3013:122h 42m739
UA 2785United Airlines08:3013:122h 42m739
UA 2812United Airlines08:3013:062h 36m739
AA 2357American Airlines08:4913:342h 45m320
F9 1704Frontier Airlines12:0416:472h 43m32N
UA 2224United Airlines12:1516:552h 40m7M9
AA 640American Airlines12:1816:592h 41m319
UA 1373United Airlines12:2017:032h 43m739
AA 4153American Airlines12:2917:112h 42mE75
F9 4184Frontier Airlines16:1120:522h 41m321
UA 1179United Airlines16:1820:552h 37m7M8
UA 455United Airlines16:5921:362h 37m739
AA 3851American Airlines19:0923:532h 44mE75
UA 1318United Airlines06:0910:512h 42m739
UA 2003United Airlines08:3013:122h 42m739
UA 2785United Airlines08:3013:122h 42m739
UA 2812United Airlines08:3013:062h 36m739
AA 2357American Airlines08:4913:342h 45m320
F9 1704Frontier Airlines09:1514:082h 53m32N
UA 2224United Airlines12:1516:552h 40m7M9
AA 640American Airlines12:1816:592h 41m319
UA 1373United Airlines12:2017:032h 43m739
F9 4184Frontier Airlines16:1120:522h 41m321
UA 1179United Airlines16:1820:552h 37m7M8
UA 455United Airlines16:5921:362h 37m7M8
AA 3851American Airlines19:0923:532h 44mE75
UA 1318United Airlines06:0910:512h 42m739
UA 6130United Airlines06:0911:032h 54mE7W
UA 2003United Airlines08:3013:122h 42m739
UA 2785United Airlines08:3013:122h 42m739

Showing the first 40 of 83 scheduled PHX to IAH departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every PHX to IAH date on the interactive map

Confirmed upgrade & award space on PHX to IAH departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Phoenix to Houston to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each PHX to IAH departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See PHX to IAH on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Phoenix to Houston nonstop

Carriers operating PHX to IAH nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See PHX to IAH on the interactive map →

Frequently asked questions about PHX to IAH

How far is Houston from Phoenix?
PHX to IAH covers about 1,008 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from PHX to IAH?
United Airlines, American Airlines, and Frontier Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.
How many flights a week are there from PHX to IAH?
About 101 nonstop flights a week run between Phoenix and Houston in the current schedule, operated by United Airlines, American Airlines, and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from PHX to IAH depart?
Scheduled PHX to IAH nonstops in the next 7 days with service leave between 06:09 and 19:09, local time at Phoenix. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on PHX to IAH?
Open the PHX to IAH route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss PHX to IAH upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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