It's unclear how long Yon will be away from the team.
"Some things have come up with him," Pilipovich said. "We talked yesterday and he's going to take a leave of absence from the team right now. For how long, it's going to [be] up to him.
"Other than that he's in good standing here at the academy academically, military, he's doing all those good things. It's just something with him personally, so we're going to respect that. He's part of our family and we love Max and hopefully we'll get him back soon."
Yon had already missed the team's last two games due to a bruised thigh.
Yon, a senior, is Air Force's leading scorer at 15.3 points per game and leading assist-maker with 2.5 per game.
The Falcons are 8-9 overall this season and 1-5 in the Mountain West. They next play Tuesday against San Diego State.
- Ben Estes