American Airlines offers lounge access to passengers who meet the underlying criteria. Moreover, the airline provides several ways through which passengers can get into the American Airlines Admirals Club Lounges. To get access to the Admiral Club, one can either purchase an Admiral Club membership, hold eligible elite status, fly in qualifying premium cabins, or use an Admirals Club Day Pass for single-day access. If you want to know more details related to this, then visit the official website of American Airlines or read the blog linked above.