Season 2009–10 was Airdrie United's eighth competitive season.
They competed in the First Division, Challenge Cup, League Cup and the Scottish Cup.
Airdrie United finished ninth in the First Division,[1] entering the play-offs losing 3–1 to Brechin on aggregate and were relegated to the Second Division.
[2] They reached the fourth round of the Scottish Cup, the first round of the League Cup[3] and the first round of the Challenge Cup.
[4] [5][6] Win Draw Loss