Originally Posted by
gleff
Amex is 'live' with some programs, e.g. CO/DL/AC. In those cases the transfers are basically instantaneous.
In other cases Amex uses a slower process, sending over a tape with a batch, and it can take longer..
What airline are you thinking of transferring to?
Was thinking about Aeromexico, one of the more obscure FF programs out there, as I need to top up my account before the points expire into oblivion.