Flemings enrolled at
Houston on June 1, 2025, to participate in the Cougars' summer practices. On November 3, 2025, in his college debut, Flemings tallied eight points along with two rebounds in a 75–57 win against the
Lehigh Mountain Hawks. On November 17, Flemings was awarded the
Big 12 Conference Player of the Week and Big 12 Conference Newcomer of the Week after averaging twenty points, eight assists, and five rebounds a game in games against
Auburn and
Oakland. On January 24, 2025, Flemings scored a season-high 42 points along with six assists and two steals in a 90–86 loss against
Texas Tech, setting a new Cougars freshman scoring record. He declared for the
2026 NBA draft after the season, forgoing his remaining college eligibility. ==National team career==