Originally Posted by ffay005

This has not changed, much to the annoyance of both passengers and their very friendly and knowledgeable e-services helpdesk, which you can call on a regular phone number with no extra fees.

I checked this a week ago with the helpdesk, when I was about to book the JFK flights with AA flight numbers. Ended up purchasing two separate tickets and the JFK flights with AY flight numbers, continuing onwards on AA.