He is currently the second-highest run-scorer in U-19 ODI history with 1695 runs.[1] He was part of the Pakistan Under-19 cricket team that took part in the 2012 ICC Under-19 Cricket World Cup in Australia. He was the captain of the team at the 2014 ICC Under-19 Cricket World Cup in the United Arab Emirates, where he led Pakistan to the finals of the tournament. In 2014 he was selected for PCB summer camp. He played his last series for Pakistan in October 2017 vs Sri Lanka.
In March 2019, he was named in Punjab’s squad for the 2019 Pakistan Cup. In September 2019, he was named in Southern Punjab’s squad for the 2019–20 Quaid-e-Azam Trophy tournament.
In November 2020, Aslam ended his career in Pakistan,with an aim of possibly representing the United States. He would be eligible to play for USA in November 2024. In June 2024, Aslam was selected in the players’ draft ahead of the Minor League Cricket tournament.
In March 2023, Aslam was drafted to the Texas Super Kings in Round 5 for Major League Cricket.