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