easyJet (United Kingdom)
U2; Airports: London (LCY, LGW, LHR, LTN, STN, SEN), London Gatwick, Berlin (TXL, SXF), Milan, all Airports (MXP, LIN, BGY), Milan-Malpensa, Berlin Tegel, Geneva, London Luton
Eurowings (Germany)
EW; Airports: Dusseldorf, Stuttgart, Cologne (Koeln)-Bonn, Hamburg, Berlin (TXL, SXF), Berlin Tegel, Palma de Mallorca, Vienna
Lufthansa (Germany)
LH; Airports: Munich, Frankfurt-Main, Oslo-Gardermoen, Vienna, Dusseldorf, Chicago IL all Airports (ORD, MDW, RFD), Chicago O'Hare, Stockholm-Arlanda
British Airways (United Kingdom)
BA; Airports: London (LCY, LGW, LHR, LTN, STN, SEN), London Heathrow, London Gatwick, Dallas-Fort Worth International Airport, TX, Chicago IL all Airports (ORD, MDW, RFD), Chicago O'Hare, Madrid Barajas, Dublin
Turkish Airlines (Turkey)
TK; Airports: Istanbul Atatürk, Ankara Esenboga, Istanbul - Sabiha Gökcen, Oslo-Gardermoen, Stockholm-Arlanda, Stockholm Metropolitan Area, Izmir Adnan Menderes, Antalya
KLM (Netherlands)
KL; Airports: Atlanta International Airport, GA, Amsterdam Schiphol, Detroit Metropolitan Area, Detroit Metropolitan Wayne County Airport, MI, Minneapolis - St. Paul International Airport, MN, New York (JFK, EWR, LGA), New York John F Kennedy, Salt Lake City International Airport, UT
TAP Air Portugal (Portugal)
TP; Airports: Lisbon, Sao Paulo - Metropolitan Area ( CGH, GRU, VCP), Sao Paulo Guarulhos International Airport, Rio de Janeiro, all Airports (GIG, SDU), Frankfurt-Main, Rio de Janeiro Galeao, New York (JFK, EWR, LGA), Munich
Polskie Linie Lotnicze LOT (Poland)
LO; Airports: Warsaw, Chicago IL all Airports (ORD, MDW, RFD), Chicago O'Hare, Frankfurt-Main, Krakow, Munich, Vienna, Wroclaw - Strachowice
Italia Trasporto Aereo (Italy)
AZ; Airports: Rome Fiumicino Leonardo da Vinci, Rome, all Airports - (FCO, CIA), New York John F Kennedy, New York (JFK, EWR, LGA), Milan, all Airports (MXP, LIN, BGY), Atlanta International Airport, GA, Milan-Linate, Paris - Metropolitan Area Paris - (CDG, ORY, BVA, XCR)
Pegasus Airlines (Turkey)
PC; Airports: Istanbul - Sabiha Gökcen, Izmir Adnan Menderes, Antalya, Ankara Esenboga, Ercan, Cyprus, Adana, Rome Fiumicino Leonardo da Vinci, Rome, all Airports - (FCO, CIA)
Wizz Air UK (United Kingdom)
W9; Airports: London (LCY, LGW, LHR, LTN, STN, SEN), London Luton, Bratislava, Lisbon, Prague, Suceava Salcea, Kosice, Poprad-Tatry
Wizz Air (Hungary)
W6; Airports: Budapest Ferihegy, Warsaw, Bucharest-Otopeni, London (LCY, LGW, LHR, LTN, STN, SEN), Gdansk, London Luton, Katowice, Vienna
Air France (France)
AF; Airports: Atlanta International Airport, GA, Paris - Metropolitan Area Paris - (CDG, ORY, BVA, XCR), Detroit Metropolitan Area, Detroit Metropolitan Wayne County Airport, MI, Paris - Charles de Gaulle, Paris Orly, New York (JFK, EWR, LGA), New York John F Kennedy
Swiss International Air Lines (Switzerland)
LX; Airports: Zurich (Zürich)-Kloten, Geneva, Vienna, Chicago IL all Airports (ORD, MDW, RFD), Chicago O'Hare, London (LCY, LGW, LHR, LTN, STN, SEN), Frankfurt-Main, Lulea
Vueling Airlines (Spain)
VY; Airports: Barcelona El Prat, Rome Fiumicino Leonardo da Vinci, Rome, all Airports - (FCO, CIA), Paris - Metropolitan Area Paris - (CDG, ORY, BVA, XCR), Bilbao, Palma de Mallorca, Paris Orly, Alicante
Wizz Air Malta (Malta)
W4
Austrian Airlines (Austria)
OS; Airports: Vienna, Toronto, Toronto Pearson, Frankfurt-Main, Copenhagen, Munich, Stockholm-Arlanda, Stockholm Metropolitan Area
Iberia (Spain)
IB; Airports: Madrid Barajas, London (LCY, LGW, LHR, LTN, STN, SEN), London Heathrow, Barcelona El Prat, Chicago IL all Airports (ORD, MDW, RFD), Chicago O'Hare, Miami International Airport, FL, Mexico City-Juarez International
Air Europa Lineas Aereas (Spain)
UX; Airports: Madrid Barajas, New York John F Kennedy, New York (JFK, EWR, LGA), Barcelona El Prat, Mexico City-Juarez International, Paris - Metropolitan Area Paris - (CDG, ORY, BVA, XCR), Los Angeles International, Palma de Mallorca
Virgin Atlantic Airways (United Kingdom)
VS; Airports: Atlanta International Airport, GA, Detroit Metropolitan Area, Detroit Metropolitan Wayne County Airport, MI, New York (JFK, EWR, LGA), Minneapolis - St. Paul International Airport, MN, New York John F Kennedy, Los Angeles International, Boston Logan