Miami to Denver (MIA-DEN): nonstop upgrade & award space

United Airlines, American Airlines, and Frontier Airlines fly nonstop between Miami (MIA) and Denver (DEN), roughly 32 times a week. With this many departures on a short sector, premium cabins are small and turn over daily, so upgrade or award space opens and closes within hours. 2LNR tracks confirmed upgrade and award space on American Airlines, on every MIA 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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32
Nonstop flights a week
1,709 mi
Nonstop distance
Free
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Miami to Denver flight schedule

Scheduled nonstop departures for MIA 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 Miami (MIA) to Denver (DEN)
Date Flight Airline Departs MIA Arrives DEN Duration Aircraft
F9 1279Frontier Airlines06:5009:194h 29m32N
AA 2436American Airlines09:5612:134h 17m7M8
F9 1519Frontier Airlines11:5914:274h 28m32N
UA 2852United Airlines15:5218:204h 28m7M9
AA 1292American Airlines20:4023:034h 23m7M8
F9 1279Frontier Airlines05:5008:194h 29m32N
AA 2436American Airlines09:5612:134h 17m7M8
UA 2852United Airlines15:5218:204h 28m7M9
AA 1292American Airlines20:4023:034h 23m7M8
F9 1279Frontier Airlines05:5008:194h 29m32N
AA 2436American Airlines09:5612:134h 17m7M8
UA 2852United Airlines15:5218:204h 28m7M9
AA 1292American Airlines20:4023:034h 23m7M8
F9 1279Frontier Airlines05:5008:194h 29m32N
AA 2436American Airlines09:5612:134h 17m7M8
UA 2852United Airlines15:5218:204h 28m7M9
AA 1292American Airlines20:4023:034h 23m7M8
F9 1279Frontier Airlines05:5008:194h 29m32N
AA 2436American Airlines09:5612:134h 17m7M8
UA 2852United Airlines15:5518:234h 28m7M9
AA 1292American Airlines20:4023:034h 23m7M8
F9 1279Frontier Airlines05:5008:194h 29m32N
AA 2436American Airlines09:5612:134h 17m7M8
UA 2852United Airlines15:5218:204h 28m7M9
AA 1292American Airlines20:4023:034h 23m7M8
F9 1279Frontier Airlines05:5008:194h 29m32N
AA 2436American Airlines09:5612:134h 17m7M8
UA 2852United Airlines15:5218:204h 28m7M9
AA 1292American Airlines20:4023:034h 23m7M8

Showing all 29 scheduled MIA to DEN departures across the next 7 days with service. Later dates are 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 MIA to DEN date on the interactive map

Confirmed upgrade & award space on MIA to DEN departures

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

Airlines flying Miami to Denver nonstop

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

See MIA to DEN on the interactive map →

Frequently asked questions about MIA to DEN

How far is Denver from Miami?
MIA to DEN covers about 1,709 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 MIA 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 MIA to DEN?
About 32 nonstop flights a week run between Miami 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 MIA to DEN depart?
Scheduled MIA to DEN nonstops in the next 7 days with service leave between 05:50 and 20:40, local time at Miami. 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 MIA to DEN?
Open the MIA 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 MIA 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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