I fly quite regularly out to PHX. The depature gate varies. Sometimes it is from T5B, other
times T5A and even the dreaded busing gate (what is that A14?; cannot rememer now).

If it is out of T5B, then you might want to think about heading out that way and staying
in the lounge. If you are flying F, then I would stay in T5A and use the CCR. In general, I
found the lounge in T5B to be less crowded than the main building. The transfer from A to
B does not take that long, but I prefer to get all my walking over and done with early on.
Just remember that once you make your way to T5B that it can be very difficult to gain
access back to the main terminal building. Some here know the tricks of that trade.

Enjoy the heat of PHX

H