This is a coupon that is on the tray liners at my local Wendy's
Save $20 March 31 - May 20 or save $20 when you buy tickets online 3 days prior to visit May 25 - Sept 23
Promo code: WENDYS
All discount offers are off the main gate full price regular adult admission. Valid for up to (4) discounted admissions and cannot be combined with any other discounted offers.
sixflags.com/america for park dates and hours
Not valid at any other Six Flags parks (the one in Lanham, MD is the only location)
If you have the physical coupon in hand, you can save $20 at the gate March 31 - May 20 or $17 from May 25 - Sep 23rd.