Wirelessly posted (BlackBerry8530/5.0.0.601 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)
AA flies mostly 767-300's to/from CDG, although one of the JFK-CDG-JFK flights uses a 757.
The 767-300 is configured 2-3-2 in Coach, so if you select your seats early enough, you won't have anyone else sitting next to you. (The 757, on the other hand, is configured 3-3 in Coach.)