| Country | USA |
|---|---|
| IATA code | ZK |
| ICAO code | GLA |
| Web-site | www.flygreatlakes.com |
Great Lakes Airlines was founded in 1977, it ceased operations in 2018. The airline’s primary hub was Denver International Airport. It also operated such hubs as Los Angeles International Airport, Phoenix Sky Harbor International Airport. Great Lakes Airlines was headquartered in Cheyenne, Wyo., USA. The fleet consisted of Embraer EMB 120 Brasilia, Beechcraft Beech 1900D Airliner.
| № | City | Country | Airport | IATA code | ICAO code |
| 1 | Cheyenne, WY | United States of America | Cheyenne Regional | CYS | KCYS |
| 2 | Denver, CO | United States of America | Denver International | DEN | KDEN |
| 3 | Farmington, NM | United States of America | Farmington Four Corners Regional | FMN | KFMN |
| 4 | Los Angeles, CA | United States of America | Los Angeles International | LAX | KLAX |
| 5 | Page, AZ | United States of America | Page | PGA | KPGA |
| 6 | Phoenix, AZ | United States of America | Phoenix Sky Harbor International | PHX | KPHX |
| 7 | Pierre, SD | United States of America | Pierre Regional | PIR | KPIR |
| 8 | Prescott, AZ | United States of America | Prescott Municipal | PRC | KPRC |
| 9 | Salina, KS | United States of America | Salina Regional | SLN | KSLN |
| 10 | Telluride, CO | United States of America | Telluride Regional | TEX | KTEX |
| 11 | Watertown, SD | United States of America | Watertown | ATY | KATY |