The most frequently used airline companies from San Francisco to Los Angeles are generally
Virgin Atlantic,
El Al Israel Airlines,
British Airways,
Asiana Airlines,
Delta Air Lines,
American Airlines,
United Airlines,
Hawaiian Airlines,
Aeromexico,
KLM,
JetBlue,
Copa Airlines,
Skywest Airlines,
Air New Zealand,
Singapore Airlines,
Emirates,
Japan Airlines,
Finnair,
Westjet,
All Nippon Airways,
Air China,
Alaska Airlines,
Qantas Airways,
Aer Lingus,
V Australia,
Avianca,
Iberia
are companies.