Term of the JCBA is five years. The contract is the same as the TA except for Compensation.
https://www.apfa.org/images/arbitration/AA-APFA-JCBA-Award-and-appdx.pdf
AWARD
1. The JCBA between American Airlines and the Association of Professional Flight Attendants shall be as follows:
a. All terms of the September 19, 2014 Tentative Agreement except Section 3 (Compensation), Paragraph A.
b. Compensation shall be in accordance with the table attached hereto as Appendix E, to be effective January 1, 2015.
c. The effective date of the JCBA shall be December 13, 2014, the date of issuance of this arbitration award. The implementation of the provisions shall be as specified in a letter of implementation agreed upon by the parties consistent with the provisions of the implementation letter of the JCBA.
https://www.apfa.org/images/arbitration/AA-APFA-JCBA-Award-and-appdx.pdf