| name | Hub | image | date Ceased operations | date Commenced operations | IATA Code | ICAO Code | city Headquarters | administrative division Headquarters | country Headquarters | continent Headquarters | Country | continent | Parent | number of aircrafts | number of destinations | Website |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Star Air (Denmark) | Cologne Bonn Airport |  | 01/09/1987 | S6 | SRR | Denmark | Europe | Maersk | 11 | Website | ||||||
| German Regional Airlines | Cologne Bonn Airport |  | 1974 | WH | WDL | Cologne | North Rhine-Westphalia | Germany | Europe | Germany | Europe | WDL Aviation | 3 | Website |