There is actually an American Eagle bus that goes from T 2-3-AE commuter terminal, then AA. You might be able to hitch a ride over to T2 airside from T3. I would def. tip the driver as it would be an exception, but you could avoid the pain of security which can be nasty at T2. They put me in the special line and it still took forever, with Air Kiwi crews waltzing in front of us to the front of the line.
They need an airside link between T 2 and 3.
I won't even ask why you desire to avoid my city-LA but that is a bit offensive.
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YAS+