[1] Prior to 1955, Flynn would compete exclusively at the Daytona Beach Road Course for the "Modified" and "Sportsman" divisions of NASCAR.

[2] He would drive Ford vehicles from the late 1930s during his formative years in professional stock car racing.

[3] During the 1956 Southern 500, he would crash into fellow NASCAR driver Bill Brown in an incident that would cause the fence to be temporarily broken.

[4] His total career earnings in the NASCAR Grand National Series were considered to be $1,700 ($17,333.18 when adjusted for inflation) and he finished 1162 laps (1439.6 miles) of racing.

[2][3] In 1970, Flynn won the Bobby McKim Memorial Race at the 0.375-mile (0.604 km) DeLand Drive-In Raceway, having set the fastest qualifying time for the event.