Bonner curled off a high screen and drove to the basket for a layup with 10.8 seconds left. Dallas was off on a 3-pointer at the other end and Jasmine Thomas secured the defensive rebound to seal it.
Jasmine Thomas finished with 10 points for Connecticut (3-6), which trailed by as many as 12 points. Bonner moved past Maya Moore for 22nd on the WNBA career scoring list.
Ogunbowale was limited to four points in the first half due to picking up her third foul with nine minutes left in the second quarter. She scored 11 of Dallas' 15 points in the third quarter for a 49-46 lead, and she sank a jumper with 31 seconds left to pull the Wings within 68-66.