AAdvantage is the frequent-flyer program of American Airlines. Launched May 1, 1981, it was the second such loyalty program in the world and remains the largest, with more than 115 million members as of April, 2021. From Wikipedia
The airline will provide complimentary high-speed internet to AAdvantage members across 90% of its fleet, supported by AT&T, Viasat, and Intelsat partnerships.