i personally prefer BA to AA, but I’m aware there are others on here who disagree. What I would say is that BA’s 777 is BA’s worst J hard product IMHO.

WESTLANT departures are mainly about eating dinner and sleeping. It took 98 minutes from wheels up to dinner being served in AA in my recent flight on AA, vs 52 on my last BA flight. The white-Company bedding on BA is superior to the cheap blanket on AA. You get the perception of more personal space on AA, unless you like me don’t like your foot area brings more restrictive and in a box.BA lounges offer free pour access to alocihol and better food options than AA lounges although the Flagship Lounge on AA is a significant improvement.

EC261/04 wouldnt apply to a booking on AA in the event or IRROPS.

YVMV.