The delta site shows a shuttle between T2, T3 and T4
http://http://www.delta.com/travelin...ewyork_jfk.jsp which means you don't have to clear security if you came in from another US city. Is this running? We have a 5 hour layover on a Sunday and are heading to BUD and would like to at least head over to the Oasis... Does anybody know if this shuttle runs on a regular basis.