You can fly Flagship Business domestically on the following routes:
Los Angeles (LAX) to Boston (BOS) — A321T aircraft only
Los Angeles (LAX) to JFK
Los Angeles (LAX) to Miami (MIA) — A321T and wide-body only
New York (JFK) to Orange Country (SNA) — A321T aircraft only
New York (JFK) to San Francisco (SFO)