Maybe it depends on the staff at the individual lounge. I’ve been to a Skyclub that definitely wanted to see a Delta boarding pass and I’m fairly certain that the Centurion lounge in Miami wanted to see a boarding pass as well, but I’m not 100% certain on that one.
Originally Posted by
dera
Amex does not require a seat assignment to enter.
Not for the Amex Centurion lounges, or Skyclub, or Priority Pass via Amex.