However , Star Alliance carrier Avianca El Salvador operates out of Boarding Area A , and non-aligned carriers Aer Lingus , Fiji Airways , WestJet ( select flights ) , and WOW air have designated gates located at Boarding Area G. Boarding Area A is also used by domestic carriers Alaska Airlines , JetBlue Airways , Sun Country Airlines , and Hawaiian Airlines .
Alaska Airlines uses the boarding Area A of San Francisco International Airport .