Denver to Alliance (DEN–AIA) — Airlines, Schedules & Connections

DEN Airport Page →
180 mi airlines 14/wk
On-time Some delays Frequent delays
Flight Schedule 4 flights Verified 4h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
KG4210
KG Key Lime
SWM
11:30 AM
MDT
12:30 PM
MDT
1h
M T W T F S S
Prices
KG4230
KG Key Lime
SWM
8:36 PM
MDT
9:16 PM
MDT
0h 40m
M T W T F S S
Prices
KG4235
KG Key Lime
SWM
7:30 AM
MDT
8:30 AM
MDT
1h
M T W T F S S
Prices
KG4212
KG Key Lime
SWM
1:00 PM
MDT
2:00 PM
MDT
1h
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

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Denver to Alliance
1 carrier, 14 flights/week nonstop.
1 Airlines 14 Flights/wk 180 mi 0h 40m nonstop

DEN–AIA is served by 1 airline with nonstop service. Key Lime Air leads the route. The flight covers 180 miles in approximately 0h 40m.

Airline Landscape

All carriers operating nonstop DEN–AIA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
KG Key Lime Air 14 SWM 0h40-1h 78%
Aircraft on this route
SWM Fairchild Swearingen Metro/Merlin – KG
Alliance coverage
Unaffiliated: KG (14 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, DEN to AIA direction.
Mon
2
flights
Tue
2
flights
Wed
2
flights
Thu
2
flights
Fri
2
flights
Sat
2
flights
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
2
Nonstop flights
14
Outbound / wk
14
Return / wk

On-Time Performance

What to expect at each end of your journey.
Outbound
DEN → AIA
78%
Generally reliable. Most flights run on time.
Departing
78%
Return
AIA → DEN
92%
Generally reliable. Most flights run on time.
Arriving
92%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. DEN delays →

Travel Essentials

Practical planning for this route.
Time Difference
0h
Alliance is 0 hours the same as Denver.
DEN: MDT · AIA: MDT

When it's 6:00 PM in Denver, it's 6:00 PM in Alliance.
Distance & Flight Time
180 mi / 290 km
Nonstop flight time is approximately 0h 40m to 1h 0m.
Getting to DEN

RTD A Line commuter rail runs from Denver Union Station to the airport (37 min, $10.50). Trains depart every 15 minutes during peak hours. The airport is 25 miles northeast of downtown; ride-shares cost $35–55 and take 30–45 minutes depending on I-70 traffic.Economy parking in lots 4–6 connects via free shuttle. Mountain shuttle services depart from Jeppesen Terminal's Ground Transportation level.

DEN–AIA Quick Facts

Key statistics for the Denver to Alliance route.
Route details
Distance180 mi / 290 km
Flight time0h 40m to 1h
Time difference0 hours
Airlines (nonstop)1
Weekly flights14 out / 14 return
Origin: DEN
IATA / ICAODEN / KDEN
TimezoneAmerica/Denver
Passengers/yr82.4M
Elevation5,431 ft / 1,655 m
Destination: AIA
IATA / ICAOAIA / KAIA
TimezoneAmerica/Denver
Passengers/yr0.0M
Elevation3,931 ft / 1,198 m

Frequently Asked Questions

Common questions about DEN to AIA flights.
Nonstop flights from Denver International Airport to Alliance Municipal Airport take approximately 0h 40m to 1h. The route covers 180 miles.
1 airline operates nonstop service: Key Lime Air.
There are approximately 14 nonstop flights per week from DEN to AIA. The return direction has about 14 weekly flights.
Yes, return flights from AIA to DEN are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from DEN to AIA

Denver International Airport (DEN) and Alliance Municipal Airport (AIA) are connected by nonstop service from Key Lime Air. With 14 weekly departures, this is a well served route.

DEN to AIA Flight Duration and Schedule

Nonstop flight time from DEN to AIA ranges from 0 hours 40 minutes to 1 hours 0 minutes. The route covers a distance of 180 miles (290 km). There are approximately 14 weekly flights outbound and 14 return, totaling 28 flights per week in both directions.