Delany began his coaching career in the NBA in 2001-2002 as a Video Intern with the Boston Celtics. He then moved on to the Miami Heat, where he worked as a Video Intern from 2002-2003 before being promoted to Video Coordinator from 2003-2007 and eventually advancing to the role of Advance Scout from 2007-2013.
In 2013-2014, Delany was promoted to the role of Head Coach for the Sioux Falls Skyforce.
In his inaugural season with the Sioux Falls Skyforce, Pat Delany led the team to a 31-19 record, earning them home court advantage in the first round of the postseason and bringing them to the semi-finals.[3]
He then joined the Charlotte Hornets as an Assistant Coach, serving from 2014 to April 2018.
Delany's coaching career continued with the Orlando Magic, where he continued the role of Assistant Coach from June 2018 to 2021. Following his tenure with the Magic, he joined the Washington Wizards as the lead Assistant Coach in August 2021.
In 2023, he was hired as an assistant coach as a part of new head coach Darko Rajaković coaching staff with the Toronto Raptors.[4] In October 2023, Rajaković announced that Delany will serve as the lead assistant coach, and he will also be in change of the defence. [5]
It was announced on July 4, 2023, that Delany would serve as the Raptors head coach at the NBA Summer League 2023 in Las Vegas.[6]