Andy Flynn played for Exeter City between 1922 and 1926. He joined the club from Mexborough and later played for York City. Never a regular, and normally a defender, his first games for the Grecians were as a stand-in goalkeeper in FA Cup games.   

After an unsuccessful trial with Brentford, he played in the Midland League for Mexborough for two seasons prior to signing for Exeter City in May 1922. 

Andy’s first game for Exeter City came in unusual circumstances as he deputised in goal for the injured Harry Fryer in the goalless FA Cup tie at home to Bournemouth and Boscombe Athletic on 18 November 1922. Retaining his place between the sticks for the replay, and for the next round against Bath City, he eventually made his league debut In his more accustomed position of full-back against Southend United on 9 December 1922 which was the first of 13 league appearances he made during the 1922/23 season.  

Playing just seven league games the following season, Andy scored his only goal for Exeter against Swindon Town on 16 February 1924 ahead of making thirteen league appearances in 1924/25 followed by a single outing in his fourth and final term at St James’ Park. 

After being released by City at the end of the 1925/26 season, Andy signed for York City and was an ever-present as the Midland League club made its first-ever appearance in the first round of the FA Cup. He later became a player and trainer with Boston Town.