I guess entering won't be an issue since you have an exit ticket. I had bad experience exiting the US in LAX and JFK: Getting there takes a lot of time, and cl

I guess entering won't be an issue since you have an exit ticket. I had bad experience exiting the US in LAX and JFK: Getting there takes a lot of time, and clearing security needs a lot of time, and the airports are quite big. Try to arrive early. Sleeping near the airport helps ;-).