Originally Posted by justageek
I don't know about the mileage (I suspect you will be credited with everything except BOS-LAX), but if you do this, be sure to book BOS-LAX on a different airline. Some would say you're OK if you leave off your AAdvantage number and use a different credit card, but to be completely safe I would fly BOS-LAX on a different airline.
Why should I book on a different airline? What can AA do? If my original BOS-LAX segment was 20 Nov and I book a one-way BOS-LAX flight on 25 Nov, what is the problem?
I want to do this "legally" and within AA rules, but I guess I'd like to know what rules I might be violating.