Prague PRG to Gdańsk GDN flight with LOT Polish Airlines

SAS, or Scandinavian Airlines, is the national airline of Denmark, Norway, and Sweden, headquartered in Solna, Sweden. Founded in 1946, it emerged from a merger of the three countries' national carriers to handle transatlantic operations. SAS operates extensive regional services within Scandinavia and Europe, as well as international flights to Asia and North America, with primary hubs in Copenhagen, Stockholm, and Oslo. As of July 2024, SAS, including its subsidiaries SAS Link and SAS Connect, operates a fleet of 133 aircraft to 130 destinations. SAS joined SkyTeam on September 1, 2024, after leaving Star Alliance.

Lufthansa CityLine is a German regional airline and a wholly-owned subsidiary of Deutsche Lufthansa AG, operating as part of the Lufthansa Regional concept. Headquartered at Munich Airport, with hubs also at Frankfurt Airport, it operates a dense domestic and European network on behalf of its parent company. The airline primarily uses regional jets like the Bombardier CRJ900, along with Airbus A319s and A320neos, to connect smaller European cities to Lufthansa's major hubs. Lufthansa CityLine is known for its reliability in providing feeder traffic to Frankfurt and Munich.

LOT Polish Airlines, legally Polskie Linie Lotnicze LOT S.A., is the flag carrier of Poland and one of the world's oldest airlines, founded in 1928. It is a founding member of IATA and joined the Star Alliance in 2003. With its main hub at Warsaw Chopin Airport, LOT serves over 97 destinations across Europe, Asia, and North America with a fleet of 87 aircraft as of June 2025. The airline is recognized for operating one of Europe's youngest fleets and was the first European operator of the Boeing 787 Dreamliner.

AirBaltic is the flag carrier of Latvia and a leading hybrid airline in the Baltics, combining aspects of traditional network and low-cost carriers. Founded in 1995, it operates a modern fleet of Airbus A220-300 aircraft, connecting the Baltics from hubs in Riga, Tallinn, Vilnius, and Tampere to over 70 destinations across Europe, the Middle East, North Africa, and the Caucasus. The company is majority-owned by the Latvian state. AirBaltic is recognized for its commitment to passenger experience, having received awards for cabin service and being among the world's safest airlines. In a pioneering move, AirBaltic became the first European airline to offer free high-speed SpaceX Starlink internet on its flights in February 2025.

CityJet is an Irish regional airline headquartered in Dublin, Ireland. Founded in 1992, it began operations in 1994, initially flying between Dublin and London City Airport under a franchise agreement with Virgin Atlantic. CityJet transitioned its business model in 2018, ceasing its own-brand scheduled services to focus on wet leasing aircraft to other European airlines. This means CityJet provides aircraft and crew to operate flights on behalf of other carriers. As of 2023, CityJet operates a fleet of Bombardier CRJ900 and CRJ1000 aircraft, primarily for airlines like Scandinavian Airlines (SAS), Lufthansa, and Brussels Airlines. In 2023, CityJet merged with Air Nostrum, forming the Strategic Alliance of Regional Airlines (SARA).

Buzz is a Polish airline, a subsidiary of Ryanair Holdings, headquartered in Warsaw. It operates scheduled flights on behalf of Ryanair and also offers its own charter flights from bases in Poland, Czechia, and Bulgaria. Originally launched by KLM in 1999 as a low-cost carrier, it was acquired by Ryanair in 2003 and ceased operations in 2004. The Buzz name was revived in 2019 when Ryanair rebranded its Polish charter airline, Ryanair Sun, to Buzz. Buzz operates a fleet primarily consisting of Boeing 737 aircraft.