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

AIA Airport Page →
180 mi airlines 14/wk
On-time Some delays Frequent delays
Flight Schedule 4 flights Verified 55m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
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
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

No flights match your filters.

No nonstop flights on this route. connecting options below.

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

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

Airline Landscape

All carriers operating nonstop AIA–DEN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
KG Key Lime Air 14 SWM 1h
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, AIA to DEN 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
AIA → DEN
94%
Generally reliable. Most flights run on time.
Arriving
94%
Return
DEN → AIA
100%
Generally reliable. Most flights run on time.
Departing
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. DEN delays →

Other ways to reach Denver from Alliance

Nearby airports with service to Denver International Airport.
Metric AIA→DEN BFF→DEN CDR→DEN
Distance from AIA 43 mi 56 mi
Nonstop airlines 1 2 1
Weekly flights 14 19 12
Flight time 1h 0h 50m 0h 46m
Airports within 200 miles of AIA with service to Denver International Airport.

Travel Essentials

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

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

RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.

Denver Climate

Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.

Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.

AIA–DEN Quick Facts

Key statistics for the Alliance to Denver route.
Route details
Distance180 mi / 290 km
Flight time1h
Time difference0 hours
Airlines (nonstop)1
Weekly flights14 out / 14 return
Origin: AIA
IATA / ICAOAIA / KAIA
TimezoneAmerica/Denver
Passengers/yr0.0M
Elevation3,931 ft / 1,198 m
Destination: DEN
IATA / ICAODEN / KDEN
TimezoneAmerica/Denver
Passengers/yr82.4M
Elevation5,431 ft / 1,655 m

Frequently Asked Questions

Common questions about AIA to DEN flights.
Nonstop flights from Alliance Municipal Airport to Denver International Airport take approximately 1h. The route covers 180 miles.
1 airline operates nonstop service: Key Lime Air.
There are approximately 14 nonstop flights per week from AIA to DEN. The return direction has about 14 weekly flights.
Yes, return flights from DEN to AIA are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BFF, CDR and CYS. See the Alternatives section for a full comparison.
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 AIA to DEN

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

AIA to DEN Flight Duration and Schedule

Nonstop flight time from AIA to DEN ranges from 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.

Connecting Options and Alternatives

Nearby alternative airports include Scottsbluff (BFF), Chadron (CDR) and Cheyenne (CYS).