Kyrie Irving scored 28 points on 12 for 20 shooting with six rebounds and five assists, but the Cavs shot just 42 percent as a team in the loss, dropping them to 7-24 on the year.
Dion Waiters scored 18 points on 7 for 21 shooting. He scored 16 of those 18 in the first half. Fellow rookie Tyler Zeller scored 12 points with seven rebounds and Alonzo Gee and C.J. Miles each scored 10 points.
The Hawks, who improved to 18-9 with the win, were led by Jeff Teague, who scored 27 points and had eight assists. He was one of five Hawks in double figures. Lou Williams scored 16 points, Al Horford had 14 points and 11 rebounds, Kyle Korver scored 11 points and Anthony Tolliver scored a season-high 13 points off the bench.
The Hawks shot 49 percent and made 13 for 24 three-pointers. It was Atlanta's third straight win.