You seem confused about the TA.

New hires will earn $38.50/hr min 75hr/month plus $15,000 bonus. After their first year they goto $40.28/hr plus $20,000 total paid out at $2,500 every 3 months or until they upgrade.

Current FOs will be paid $40.28/hr min 75hr/month plus $20,000 paid $2,500 every 3 months or until they upgrade.

Most junior FO line holder CLT May '15.

Captains will get an extra $7,500 paid in 3 $2,500 installments starting Jan 1 2017.

Current upgrade is July '15 and increasing. YMMV