The Flyers (17-4, 10-0) lead Duquesne (18-4, 8-1) by 1½ games. Fordham (17-6, 8-2) sits two games back after losing 91-85 in double overtime Wednesday at Saint Louis (12-10, 6-3).
Dayton scored the first eight points of the game and stretched its lead to 20-9 at the end of the first quarter and 41-27 at halftime. Dayton led throughout the second half, but Duquesne got as close as 71-65 with 56 seconds to play.
» PHOTOS: Dayton vs. Duquesne
Dayton ended Duquesne’s eight-game winning streak. The Flyers have won four games in a row against the Dukes. Dayton returns to action at 2 p.m. Sunday against Virginia Commonwealth at UD Arena. VCU (5-16, 2-7) beat St. Joseph’s 56-54 on Wednesday.