Originally Posted by
Michael D
Probably most would not admit to not knowing it.

It was discussed at length here when the merger was announced.
Originally Posted by
joshwex90

Because there are always Admirals using the AC on AA? Or the Skyclub is actually in the sky?
Originally Posted by
UNITED959
Admirals Club?
American Airlines likes to use the letter A a lot in it's marketing. American Advantage, Admirals Club, American Airlines, etc. Even a kettle deplaning his first AA flight would recognize this.
Delta has a FFP called Sky. Delta calls its club Sky.
That these associations were too subtle for the two of you is evidence that United was correct to give the clubs an explicitly eponymous name.