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Key Lime Air Flights, Routes & Travel Guide

Explore the latest Key Lime Air (KG) fleet and aircraft seat maps. Compare amenities, baggage, check-in, children and pet travel rules.

Last updated: October 2026
IATA: KGFounded 1997HQ: Centennial Airport, Dove Valley, Colorado
Departure date
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About Key Lime Air

Explore the latest Key Lime Air (KG) fleet and aircraft seat maps. Compare amenities, baggage, check-in, children and pet travel rules.

Key Lime Air was created in 1997. The company is headquartered in Englewood, Colorado. The airline's main hubs are Centennial Airport, Denver International Airport. Key Lime Air has a subsidiary company Denver Air Connection. The airline serves scheduled passenger flights and various public and private charter flights under the Denver Air Connection brand. In addition, Key Lime Air operates cargo services under the United Parcel Service brand. The airline's fleet includes 30 airplanes.

Airline codeKG
Main hubDEN
Alliance-
Destinations19
Countries1
Fleet21
Updated: October 2026

Popular Key Lime Air routes

RouteCitiesTypical durationWeekly flightsService
DEN to CEZDenver to Cortez1h 35m17NONSTOP
DEN to MCKDenver to McCook1h 10m12NONSTOP
DEN to AIADenver to Alliance1h 0m12NONSTOP
DEN to ALSDenver to Alamosa55m12NONSTOP
DEN to PUBDenver to Pueblo48m12NONSTOP

Key Lime Air hubs and focus cities

Route map

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All Key Lime Air routes

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19 destinations · Updated: October 2026
Route endpoint

Routes serving Denver

1–10 of 16
RouteCitiesTypical durationWeekly flightsService
DEN to CEZDenver to Cortez1h 35m17NONSTOP
CEZ to DENCortez to Denver1h 30m14NONSTOP
CDR to DENChadron to Denver1h 15m12NONSTOP
DEN to MCKDenver to McCook1h 10m12NONSTOP
DEN to AIADenver to Alliance1h 0m12NONSTOP
ALS to DENAlamosa to Denver55m12NONSTOP
DEN to ALSDenver to Alamosa55m12NONSTOP
DEN to PUBDenver to Pueblo48m12NONSTOP
PUB to DENPueblo to Denver48m12NONSTOP
DEN to CDRDenver to Chadron1h 15m11NONSTOP
Routes and frequencies may change by season and travel date.
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Aircraft, cabins and onboard experience

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Aircraft

Cabin comparison

CabinSeat pitchSeat widthSeat recline
EconomyEmbraer ERJ145 ERJ 14579 cm43 cm8 cm

Key Lime Air baggage allowance

Fees and allowances vary by route, fare and status.

Baggage

Key Lime Air Passengers have a free carry-on baggage allowance of one personal item. It must measure 18 x 14 x 8 inches and must be stored under the seats on the plane. The free checked baggage allowance is not included in the ticket price.

Key Lime Air Baggage rules

Travel policies

Pets

Key Lime Air airline allows the carriage of animals in exceptional cases. For more detailed information please contact the sales department.

Flying with pets on Key Lime Air

Infants

A baby between 14 days old and two years old is considered as an infant by Key Lime Air and can travel on the parent's lap. If you wish, you can buy a seat on the airplane for an infant at the infant fare. If one adult travels with two infants, one seat must be purchased for one infant, and the other may be held on the lap.

Key Lime Air Infants policy

Check in rules

Key Lime Air Check-in can be done online (via the website or mobile app) or at the airport. Registration desks open three hours before departure and close 60 minutes before departure. Online check-in begins 24 hours before departure and ends two hours before departure.

Key Lime Air Check-in rules

Unaccompanied minors

The unaccompanied minor service is mandatory for a child aged 5-12 traveling without an adult. Children ages 12-17 are not required to travel as unaccompanied minors, but the Key Lime Air service is also optional for this age group.

Unaccompanied minors in Key Lime Air

On-time performance

85.3%On-time arrivals
21.2 minAverage delay
98.49%Completion rate
1.51%Cancellation rate

Key Lime Air FAQs

Find quick answers to the most common questions about flying with Key Lime Air.

What free main-bag allowance applies to Key Lime Air’s Denver Air Connection service?

Up to 30 lb and 50 linear inches, gate-checked and returned at the destination. This is not a general charter rule.

What personal-item dimensions apply by aircraft on Denver Air Connection?

Dornier or ERJ limits are 9 × 13 × 14.5 inches; Metro23 limits are 6 × 13 × 14.5 inches.

How many paid bags does Denver Air Connection accept, and is carriage guaranteed?

Three, with the second and later bags subject to space.

Does Denver Air Connection accept a piece over 75 lb?

No. It is not accepted.

Does Denver Air Connection offer international through-checking?

No. It is unavailable.

When must I change or cancel Denver Air Connection Flexible?

At least 60 minutes ahead, without change or cancellation fees.

How long is cancellation credit valid for Denver Air Connection non-refundable fares?

One year from original issuance, with cancellation at least one hour ahead.

Can I transfer a Denver Air Connection reservation?

No. It is non-transferable.

How do I change a direct or agency Denver Air Connection booking?

Use in-person service or the call centre for direct bookings, and the original seller for agency tickets.

Can I stand by for an earlier same-day Denver Air Connection flight?

Confirmed ticket holders may stand by for the same destination.