Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER,

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Six Flags Entertainment Corporation (the "Company") on Form 10-K for the fiscal year ended December 31, 2014, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, James Reid-Anderson, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted by § 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: February 19, 2015

/s/ JAMES REID-ANDERSON

James Reid-Anderson

President and Chief Executive Officer