Atlanta extended its home winning streak to five games. Sacramento, led by Corliss Williamson's 14 points, dropped to 1-6 since ending a four-game winning streak on March 6 against Indiana.
The Kings led 13-12 on Mike Bibby's 3-pointer midway through the first quarter, but they faded quickly. Sacramento trailed by 28 late in the third quarter, failing to score a third-quarter field goal until Ronnie Price's jumper with 2:33 left.
Josh Smith, who missed a triple-double for Atlanta by one point, finished with 12 rebounds and 10 assists, but he had two free throws bounce off the rim in the fourth period.
OKLAHOMA CITY - Tyson Chandler scored 16 points and grabbed 11 rebounds, and the Hornets bounced back after Boston's quick start.
The Celtics couldn't miss at the start, but then had only nine points in the second quarter - their lowest total in a quarter this season - as the Hornets took control.
Jannero Pargo hit a 3-pointer to break a 34-34 tie, and Rasual Butler and Devin Brown followed with 3s to spark New Orleans' 21-4 second-quarter run.
Chris Paul added 15 points, David West scored 12 and Desmond Mason had 11 as the Hornets got their second-most lopsided win of the season. New Orleans moved within 1Â½ games of Golden State for the eighth and final playoff spot in the Western Conference.