Carl Albert led early, then Del City outscored the Titans 14-6 in the third quarter to tie it going into the fourth before Jordan Gilbert and Gioya Carter took over.
The duo combined to score 20 of the Titans' 26 second-half points.
Gilbert led the way with 23, even after suffering a muscular injury late in the first half. Carter added 19.
No. 3 Carl Albert (20-5) will play No. 2 Deer Creek on Thursday at a site to be determined.
Deer Creek dominated Saturday, beating Ardmore 61-35 behind 14 points from Bayli Blanchard.
SWISHER LIFTS CHEYENNE TO STATE
Taylor Swisher’s layup at the buzzer lifted Class A No. 7 Cheyenne to a 41-40 win over No. 1 Okarche in the area finals at the Chisholm Trail Expo Center in Enid.
It was Okarche’s first loss since Jan. 12 and its first this season to a Class A or below team. Okarche will play Seiling at 2 p.m. Sunday for a berth in the state tournament.
Jamee Moore and Kyra Johnston scored 16 points each as No. 10 Putnam City knocked off No. 12 Choctaw 56-52. ... Sarah Parker scored 16 as Piedmont beat Lawton MacArthur 61-44. ... Class 6A No. 1 Edmond Santa Fe kept its long winning streak going, blowout out Lawton Eisenhower 70-34. Ten players scored for the Wolves. ... Lakota Thompson scored 33 points to help Wellston to a 2A regional consolation win over Hennessey, 53-33. ... Four Mount St. Mary players scored in double figures in the Rockets’ 50-47 win over Heritage Hall. Kaely Bond led the Rockets with 12, Adrienne Berry and Jordan Braun added 11 each and Aimee Rischard had 10. ... Miranda Curl and Ashley Bryant combined for 54 points as Newcastle beat Cache 72-68. Curl had 30 while Bryant added 24. ... Grace Hadley scored 29 in Bethany’s 56-53 win over Bethel. Bethany trailed by eight after one and by three entering the fourth.