Have checked AA.com and through a few threads here and am still unclear. Flying POS-MIA-SFO in economy (Q) on 12/9 and am AA Plat. Have an 8 hour layover and not sure which lounges I’ll be able to access (OW, Flagship, etc.). Also not sure if POS counts as South America.
POS is considered Caribbean, so you will not have lounge access in MIA.