What Happened To American Airlines Boeing 747’s?

https://simpleflying.com/what-happened-to-american-airlines-boeing-747s/

"The iconic ‘Jumbo Jet’ was once a common sight in airports around the world, but for a while now the Boeing 747 has been conspicuous in its absence from US airports. US carriers like American Airlines were some of the first to use Boeing’s flagship passenger jet back in the 1970s. They were also some of the first to retire it from service. So what exactly happened to American Airlines’ 747s?"