Earn 250 miles after 3 parking visits at a Thrifty airport parking location (must be at same location within 12 month period); U.S. only:

http://www.thrifty.com/TravelCenter/...nAirlines.aspx

Locations:

Boston | Burlington | Chattanooga | Chicago- 'O Hare | Columbus | Dallas- Love Field | Dayton | Kansas City | Louisville | Portland
Providence | Reno | San Antonio | Seattle