T2 to T4 in JFK - on May 10th

Quick Questions....

I will be flying with my wife on May 10th from MSP to JFK and then Connecting to San Juan. As we are on vacation we obviously we will need the libations inside the Sky Club and I am a current Membership thanks to DM Status.

So here are my questions[list=1][*]The T2 Skyclub is airside and the T4 Oasis lounge is landside. Correct?[*]Their is a connector bus from T2 to T4. Correct?[*]How long should I allow for the connector Bus?[list]

My plan is to have drinks in the Skyclub and then take the bus to T4. Thanks for any help.