JMPO, but I would be more concerned about passing the FC1 than if you can get ENJJPT.
I am not trying to be rude or mean, but the fact is ENJJPT is highly competitive when you think about it from a numbers standpoint. For example, ENJJPT only wings @190 students a year, including Euro Nato students. The running numbers I have heard from the USAFA side is only the top 10-15% will get ENJJPT. That makes up about 50-60 students. Now, let's say 15% are Euro. that takes up 30 more slots, leaving about 100 to be spread between ROTC and OCS. Let's assume only 30 are OCS. You are now down to 70 slots for AFROTC. If they had 400 picked up for your yr group than the % is really about 15% will come from ROTC rated selectees.
As always this board will be national. Your PCSM is going to matter a lot, along with your rankings, such as, cgpa, SFT standing, PFT, and ranking. 1 out of the 13 in my DS's class went to ENJJPT. He was the CWC, DG at SFT, engineering major with a 3.6 cgpa, and had his PPL. His PCSM was in the high 80s.
The plus as far as I am concerned regarding ENJJPT is that if the AF decides again to pull 2 from every class to go RPA, than you are safe because ENJJPT is excused from that requirement. If you are a top notch flier than you will still track T-38 and get an A, F or B airframe. The 35s are dropping now out of every UPT base, so that edge is gone.