Originally Posted by
sbm12
No chance. You have to clear customs/immigration on arrival, so you're outside security already. There's no way that the security folks at terminal B are going to let you reclear with an inbound CO boarding pass just to get to a CO bus.
Well, unless they decide to tell connecting customers to re-enter security at B, and then bus them over to A/C. But I don't see that happening either. There is already the AirTrain right there running between the terminals. Why go through the trouble to add another stop on the bus route?