I am sure many know about this site, but for newer pilots you can check out: http://thunderskill.com/en/squad_top (ThunderSkill.com)

This site was developed by players for players. Average player efficiency is mapped out in numerical and graphical data based on win rate, kill/death ratios, Frags per battle, Lifespan, and average number of battles in Arcade, Realistic, and Simulator .