Pegasus Airlines (Turkey)
PC; Airports: Istanbul - Sabiha Gökcen, Izmir Adnan Menderes, Antalya, Ankara Esenboga, Ercan, Cyprus, Adana, Rome-Fiumicino, Rome, all Airports - (FCO, CIA)
Turkish Airlines (Turkey)
TK; Airports: Istanbul-Ataturk, Ankara Esenboga, Istanbul - Sabiha Gökcen, Oslo-Gardermoen, Stockholm-Arlanda, Stockholm Metropolitan Area, Izmir Adnan Menderes, Antalya
Eurowings (Germany)
EW; Airports: Dusseldorf, Stuttgart-Echterdingen, Cologne (Koeln)-Bonn, Hamburg, Berlin (TXL, SXF), Berlin-Tegel, Palma de Mallorca, Vienna International
Lufthansa (Germany)
LH; Airports: Munich, Frankfurt-Main, Oslo-Gardermoen, Vienna International, Dusseldorf, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Stockholm-Arlanda
Egyptair (Egypt)
MS; Airports: Cairo International, Copenhagen, Jeddah-King Abdulaziz International Airport, Lisbon, Istanbul-Ataturk, Johannesburg-Johannesburg Inernational, Aswan-Daraw Airport, Luxor
AJet (Turkey)
VF
easyJet (United Kingdom)
U2; Airports: London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), London Gatwick, Berlin (TXL, SXF), Milan, all Airports (MXP, LIN, BGY), Milan-Malpensa, Berlin-Tegel, Geneva, London Luton
Air Transat (Canada)
TS; Airports: Montreal, Metropolitan Area - (YUL, YMX, YHU), Montréal-Pierre Elliott Trudeau International Airport, Toronto, Toronto - Lester B. Pearson International Airport, Cancun, Punta Cana International Airport, Vancouver International Airport, BC, Varadero
Qatar Airways (Qatar)
QR; Airports: Doha International Airport, London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), London Heathrow, Sao Paulo Guarulhos International Airport, Sao Paulo - Metropolitan Area ( CGH, GRU, VCP), Muscat-Seeb, Kuwait-Kuwait International, Edinburgh
Sun Express (Turkey)
XQ; Airports: Antalya, Izmir Adnan Menderes, Dusseldorf, Cologne (Koeln)-Bonn, Hannover, Frankfurt-Main, Stuttgart-Echterdingen, Vienna International
Spirit Airlines (United States)
NK; Airports: Fort Lauderdale-Hollywood International Airport, FL, Orlando International Airport, FL, Las Vegas - McCarran International Airport, NV, Detroit Metropolitan Area, Detroit Metropolitan Wayne County Airport, MI, Baltimore-Washington International-Thurgood Marshall Airport, MD, Los Angeles International Airport, CA, Chicago-IL all Airports (ORD, MDW, RFD)
Emirates Airline (United Arab Emirates)
EK; Airports: Dubai, Sydney-Kingsford Smith International Airport, NSW, Melbourne-Tullamarine International Airport, New York (JFK, EWR, LGA), Seattle-Tacoma International Airport, WA, Brisbane, Boston Logan International Airport, MA, New York - John F. Kennedy International Airport, NY
United Airlines (United States)
UA; Airports: Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, New York (JFK, EWR, LGA), New York - Newark Liberty International Airport, NJ, San Francisco International Airport, CA, Houston - George Bush Intercontinental Airport, TX, Houston - Metropolitan Area (IAH, HOU), Washington-DC
Condor (Germany)
DE; Airports: Frankfurt-Main, Dusseldorf, Manchester, Munich, Palma de Mallorca, Hannover, Cancun, Hamburg
SAS Scandinavian Airlines (Sweden)
SK; Airports: Oslo-Gardermoen, Stockholm-Arlanda, Stockholm Metropolitan Area, Copenhagen, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Bergen-Flesland, Trondheim
KLM (Netherlands)
KL; Airports: Hartsfield-Jackson 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 International Airport, NY, Salt Lake City International Airport, UT
American Airlines (United States)
AA; Airports: Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Dallas-Fort Worth International Airport, T, Charlotte Douglas International Airport, NC, London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), New York (JFK, EWR, LGA), London Heathrow, Miami International Airport, FL
Wizz Air Malta (Malta)
W4
Swiss International Air Lines (Switzerland)
LX; Airports: Zurich (Zürich)-Kloten, Geneva, Vienna International, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, London, all Airports (LCY, LGW, LHR, LTN, STN, SEN), Frankfurt-Main, Lulea
Air Canada (Canada)
AC; Airports: Toronto, Toronto - Lester B. Pearson International Airport, Chicago-IL all Airports (ORD, MDW, RFD), Chicago O'Hare International Airport, IL, Montreal, Metropolitan Area - (YUL, YMX, YHU), Montréal-Pierre Elliott Trudeau International Airport, Denver International Airport, CO, Frankfurt-Main