Delahunt was part of the Leinster under-age set up, captaining the province's under-19 side.
He joined Connacht on an initial three-month trial in the summer of 2014 and trained with the team and played in a preseason friendly against Clermont Auvergne.
Delahunt has represented Ireland at under-age level and represented Ireland for the Under-20s Six Nations in 2014.
Delahunt made 11 appearances in his debut season as a member of the senior squad and started in the highly competitive number two jersey on four occasions.
Having graduated from the Connacht Academy in 2016 he now has over 27 caps to his name. A former Kilkenny College captain, Delahunt represented Ireland at under-20 level in 2014.
In May 2017, Delahunt signed a new deal with Connacht for the 2017/18 season.
He made 11 appearances in the 2017/18 PRO14 scoring 3 tries.
JW August 18
|2014 - present|
|2015 - present|
|2014 - 2015|