The most frequently used airline companies from Washington to New York are generally
Alitalia,
China Airlines,
All Nippon Airways,
Ethiopian Airlines,
TAP Portugal,
Japan Airlines,
Aeromexico,
Westjet,
Kenya Airways,
Avianca,
Air Senegal,
China Eastern Airlines,
British Airways,
Delta Air Lines,
Iberia,
Scandinavian Airlines,
American Airlines,
Virgin Atlantic,
KLM,
Malaysia Airlines,
Royal Air Maroc,
Gojet Airlines,
JetBlue,
Cathay Pacific,
Royal Jordanian,
Gol Linhas Aereas,
Pinnacle Airlines,
United Airlines,
Korean Air,
Aerolineas Argentinas,
Midwest Airlines,
Lan Airlines
are companies.