INDIANAPOLIS, Ind. - Wichita State is still unbeaten since mid-January.
Wichita State blocked eight shots and held the seventh-seeded Flyers to a season-low 31 percent from the field.
The Shockers also dominated the boards 48-29.
Zach Brown's 3-pointer put Wichita State up 51-45 with 5:38 left, the biggest lead by either team up to that point, and Dayton never threatened again.
Point guard Scoochie Smith had 25 points for Dayton.