Alliance to Denver (AIA-DEN): nonstop flights and who flies them

Key Lime Air flies nonstop between Alliance (AIA) and Denver (DEN), roughly 14 times a week. With Key Lime Air 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. Key Lime Air fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

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

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14
Nonstop flights a week
180 mi
Nonstop distance
Free
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Alliance to Denver flight schedule

Scheduled nonstop departures for AIA 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 Alliance (AIA) to Denver (DEN)
Date Flight Airline Departs AIA Arrives DEN Duration Aircraft
KG 4235Key Lime Air07:3008:301hSWM
KG 4212Key Lime Air13:0014:001hSWM
KG 4235Key Lime Air07:3008:301hSWM
KG 4212Key Lime Air13:0014:001hSWM
KG 4235Key Lime Air07:3008:301hSWM
KG 4212Key Lime Air13:0014:001hSWM
KG 4235Key Lime Air07:3008:301hSWM
KG 4212Key Lime Air13:0014:001hSWM
KG 4235Key Lime Air07:3008:301hSWM
KG 4212Key Lime Air13:0014:001hSWM
KG 4235Key Lime Air07:3008:301hSWM
KG 4212Key Lime Air13:0014:001hSWM
KG 4235Key Lime Air07:3008:301hSWM
KG 4212Key Lime Air13:0014:001hSWM

Showing all 14 scheduled AIA 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 AIA to DEN date on the interactive map

The full AIA to DEN nonstop schedule

Key Lime Air fly the route nonstop in 2LNR's schedule data. This page carries the full AIA to DEN nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each AIA 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 AIA to DEN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Alliance to Denver nonstop

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

See AIA to DEN on the interactive map →

Frequently asked questions about AIA to DEN

How far is Denver from Alliance?
AIA to DEN covers about 180 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 AIA to DEN?
Key Lime Air is currently the only airline flying AIA to DEN nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the AIA to DEN schedule rather than a space claim.
How many flights a week are there from AIA to DEN?
About 14 nonstop flights a week run between Alliance and Denver in the current schedule, operated by Key Lime Air. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from AIA to DEN depart?
Scheduled AIA to DEN nonstops in the next 7 days with service leave between 07:30 and 13:00, local time at Alliance. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on AIA to DEN?
Not on this route: none of Key Lime Air is a carrier 2LNR reads inventory for. The page carries the full AIA to DEN nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full AIA to DEN nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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