Phoenix to Denver (PHX-DEN): nonstop upgrade & award space

United Airlines, American Airlines, and Frontier Airlines fly nonstop between Phoenix (PHX) and Denver (DEN), roughly 121 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 DEN 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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121
Nonstop flights a week
601 mi
Nonstop distance
Free
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Phoenix to Denver flight schedule

Scheduled nonstop departures for PHX to DEN, 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 Denver (DEN)
Date Flight Airline Departs PHX Arrives DEN Duration Aircraft
UA 337United Airlines06:0008:551h 55m738
AA 1332American Airlines08:4211:341h 52m320
UA 597United Airlines09:0812:001h 52m739
UA 2680United Airlines09:2312:181h 55m739
F9 1748Frontier Airlines11:2114:171h 56m32N
UA 1658United Airlines11:3214:281h 56m738
AA 6185American Airlines12:1515:111h 56mCR7
UA 1615United Airlines13:3116:271h 56m739
UA 709United Airlines13:3416:301h 56m739
F9 4766Frontier Airlines14:1517:101h 55m32N
F9 2142Frontier Airlines16:4819:461h 58m321
UA 624United Airlines16:4919:451h 56m739
AA 1638American Airlines18:5021:421h 52m738
F9 1820Frontier Airlines18:5721:531h 56m32Q
UA 337United Airlines06:0008:551h 55m738
F9 1376Frontier Airlines06:2509:432h 18m32Q
AA 2602American Airlines08:3011:271h 57m738
UA 597United Airlines09:0812:001h 52m739
F9 4768Frontier Airlines09:1512:111h 56m32Q
UA 2680United Airlines09:2312:181h 55m739
UA 1658United Airlines11:3214:281h 56m7M9
F9 1748Frontier Airlines12:4715:381h 51m32N
AA 6351American Airlines13:0016:002hCR7
UA 1615United Airlines13:3116:271h 56m739
UA 709United Airlines13:3416:281h 54m739
UA 2093United Airlines15:1918:151h 56m739
F9 2142Frontier Airlines15:2118:151h 54m32Q
UA 2859United Airlines15:4218:381h 56m739
UA 624United Airlines16:4920:452h 56m739
UA 1745United Airlines18:5521:511h 56m738
AA 1638American Airlines19:1022:061h 56m320
F9 1820Frontier Airlines20:5623:481h 52m321
UA 337United Airlines06:0008:551h 55m738
F9 1376Frontier Airlines06:2509:432h 18m32Q
AA 2602American Airlines08:3011:271h 57m738
UA 597United Airlines09:0812:001h 52m739
F9 4768Frontier Airlines09:1512:111h 56m32Q
UA 2680United Airlines09:2312:181h 55m739
UA 1658United Airlines11:3214:281h 56m7M9
F9 1748Frontier Airlines12:4715:381h 51m32N

Showing the first 40 of 116 scheduled PHX to DEN 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 DEN date on the interactive map

Confirmed upgrade & award space on PHX to DEN departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Phoenix to Denver 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 DEN 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 DEN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Phoenix to Denver nonstop

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

See PHX to DEN on the interactive map →

Frequently asked questions about PHX to DEN

How far is Denver from Phoenix?
PHX to DEN covers about 601 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 DEN?
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 DEN?
About 121 nonstop flights a week run between Phoenix and Denver 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 DEN depart?
Scheduled PHX to DEN nonstops in the next 7 days with service leave between 06:00 and 20:56, 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 DEN?
Open the PHX to DEN 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 DEN 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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