| 24 | Fri Dec 5 | at Thunder | 9:30 PM | 21-1 | .955 | Amazon | Paycom Center · Oklahoma City, OK |
| 25 | Sat Dec 6 | vs Rockets | 8:30 PM | 14-5 | .737 | | American Airlines Center · Dallas, TX |
| 26 | Fri Dec 12 | vs Nets | 8:30 PM | 5-16 | .238 | | American Airlines Center · Dallas, TX |
| 27 | Mon Dec 15 | at Jazz | 9:00 PM | 7-13 | .350 | | Vivint Arena · Salt Lake City, UT |
| 28 | Thu Dec 18 | vs Pistons | 8:30 PM | 17-5 | .773 | | American Airlines Center · Dallas, TX |
| 29 | Sat Dec 20 | at 76ers | 7:00 PM | 11-9 | .550 | | Wells Fargo Center · Philadelphia, PA |
| 30 | Mon Dec 22 | at Pelicans | 8:00 PM | 3-19 | .136 | | Smoothie King Center · New Orleans, LA |
| 31 | Tue Dec 23 | vs Nuggets | 8:00 PM | 15-6 | .714 | NBC | American Airlines Center · Dallas, TX |
| 32 | Thu Dec 25 | at Warriors | 5:00 PM | 11-11 | .500 | ABC | Chase Center · San Francisco, CA |
| 33 | Sat Dec 27 | at Kings | 5:00 PM | 5-17 | .227 | NBA TV | Golden 1 Center · Sacramento, CA |
| 34 | Mon Dec 29 | at Blazers | 11:00 PM | 9-13 | .409 | NBC | Moda Center · Portland, OR |
| 35 | Thu Jan 1 | vs 76ers | 8:30 PM | 11-9 | .550 | | American Airlines Center · Dallas, TX |
| 36 | Sat Jan 3 | vs Rockets | 8:30 PM | 14-5 | .737 | | American Airlines Center · Dallas, TX |
| 37 | Tue Jan 6 | at Kings | 11:00 PM | 5-17 | .227 | NBC | Golden 1 Center · Sacramento, CA |
| 38 | Thu Jan 8 | at Jazz | 9:00 PM | 7-13 | .350 | | Vivint Arena · Salt Lake City, UT |
| 39 | Sat Jan 10 | at Bulls | 8:00 PM | 9-12 | .429 | | United Center · Chicago, IL |
| 40 | Mon Jan 12 | vs Nets | 8:30 PM | 5-16 | .238 | | American Airlines Center · Dallas, TX |
| 41 | Wed Jan 14 | vs Nuggets | 9:30 PM | 15-6 | .714 | ESPN | American Airlines Center · Dallas, TX |
| 42 | Thu Jan 15 | vs Jazz | 8:30 PM | 7-13 | .350 | | American Airlines Center · Dallas, TX |
| 43 | Sat Jan 17 | vs Jazz | 5:00 PM | 7-13 | .350 | | American Airlines Center · Dallas, TX |
| 44 | Mon Jan 19 | at Knicks | 5:00 PM | 14-7 | .667 | NBC | Madison Square Garden · Manhattan, NY |
| 45 | Thu Jan 22 | vs Warriors | 7:30 PM | 11-11 | .500 | Amazon | American Airlines Center · Dallas, TX |
| 46 | Sat Jan 24 | vs Lakers | 8:30 PM | 15-5 | .750 | ABC | American Airlines Center · Dallas, TX |
| 47 | Sun Jan 25 | at Bucks | 7:00 PM | 10-13 | .435 | | Fiserv Forum · Milwaukee, WI |
| 48 | Wed Jan 28 | vs T-wolves | 8:30 PM | 13-8 | .619 | | American Airlines Center · Dallas, TX |
| 49 | Thu Jan 29 | vs Hornets | 8:30 PM | 6-16 | .273 | | American Airlines Center · Dallas, TX |
| 50 | Sat Jan 31 | at Rockets | 8:30 PM | 14-5 | .737 | ABC | Toyota Center · Houston, TX |
| 51 | Tue Feb 3 | vs Celtics | 8:00 PM | 12-9 | .571 | NBC | American Airlines Center · Dallas, TX |
| 52 | Thu Feb 5 | vs Spurs | 8:30 PM | 15-6 | .714 | | American Airlines Center · Dallas, TX |
| 53 | Sat Feb 7 | at Spurs | 6:00 PM | 15-6 | .714 | Amazon | AT&T Center · San Antonio, TX |
| 54 | Tue Feb 10 | at Suns | 9:00 PM | 13-9 | .591 | | Footprint Center · Phoenix, AZ |
| 55 | Thu Feb 12 | at Lakers | 10:00 PM | 15-5 | .750 | Amazon | Crypto.com Arena · Los Angeles, CA |
| --all-star break-- |
| 56 | Fri Feb 20 | at T-wolves | 7:30 PM | 13-8 | .619 | ESPN | Target Center · Minneapolis, MN |
| 57 | Sun Feb 22 | at Pacers | 5:00 PM | 4-18 | .182 | | Gainbridge Fieldhouse · Indianapolis, IN |
| 58 | Tue Feb 24 | at Nets | 7:30 PM | 5-16 | .238 | | Barclays Center · Brooklyn, NY |
| 59 | Thu Feb 26 | vs Kings | 8:30 PM | 5-17 | .227 | | American Airlines Center · Dallas, TX |
| 60 | Fri Feb 27 | vs Grizzlies | 8:30 PM | 9-13 | .409 | | American Airlines Center · Dallas, TX |
| 61 | Sun Mar 1 | vs Thunder | 8:00 PM | 21-1 | .955 | NBC | American Airlines Center · Dallas, TX |
| 62 | Tue Mar 3 | at Hornets | 7:00 PM | 6-16 | .273 | | Spectrum Center · Charlotte, NC |
| 63 | Thu Mar 5 | at Magic | 7:00 PM | 13-9 | .591 | | Amway Center · Orlando, FL |
| 64 | Fri Mar 6 | at Celtics | 7:00 PM | 12-9 | .571 | ESPN | TD Garden · Boston, MA |
| 65 | Sun Mar 8 | at Raptors | 6:00 PM | 15-7 | .682 | | Scotiabank Arena · Toronto, ON |
| 66 | Tue Mar 10 | at Hawks | 8:00 PM | 13-10 | .565 | NBC | State Farm Arena · Atlanta, GA |
| 67 | Fri Mar 13 | vs Cavaliers | 8:30 PM | 13-10 | .565 | | American Airlines Center · Dallas, TX |
| 68 | Sun Mar 15 | at Cavaliers | 3:30 PM | 13-10 | .565 | NBA TV | Rocket Mortgage FieldHouse · Cleveland, OH |
| 69 | Mon Mar 16 | at Pelicans | 8:00 PM | 3-19 | .136 | | Smoothie King Center · New Orleans, LA |
| 70 | Wed Mar 18 | vs Hawks | 8:30 PM | 13-10 | .565 | | American Airlines Center · Dallas, TX |
| 71 | Sat Mar 21 | vs Clippers | 8:30 PM | 6-16 | .273 | | American Airlines Center · Dallas, TX |
| 72 | Mon Mar 23 | vs Warriors | 9:30 PM | 11-11 | .500 | Peacock | American Airlines Center · Dallas, TX |
| 73 | Wed Mar 25 | at Nuggets | 10:00 PM | 15-6 | .714 | | Ball Arena · Denver, CO |
| 74 | Fri Mar 27 | at Blazers | 10:00 PM | 9-13 | .409 | | Moda Center · Portland, OR |
| 75 | Mon Mar 30 | vs T-wolves | 8:30 PM | 13-8 | .619 | | American Airlines Center · Dallas, TX |
| 76 | Wed Apr 1 | at Grizzlies | 8:00 PM | 9-13 | .409 | | FedExForum · Memphis, TN |
| 77 | Fri Apr 3 | vs Magic | 8:30 PM | 13-9 | .591 | | American Airlines Center · Dallas, TX |
| 78 | Sun Apr 5 | vs Lakers | 7:30 PM | 15-5 | .750 | NBC | American Airlines Center · Dallas, TX |
| 79 | Tue Apr 7 | at Clippers | 10:30 PM | 6-16 | .273 | | Intuit Dome · Inglewood, CA |
| 80 | Wed Apr 8 | at Suns | 10:00 PM | 13-9 | .591 | | Footprint Center · Phoenix, AZ |
| 81 | Fri Apr 10 | at Spurs | 8:00 PM | 15-6 | .714 | | AT&T Center · San Antonio, TX |
| 82 | Sun Apr 12 | vs Bulls | 8:30 PM | 9-12 | .429 | | American Airlines Center · Dallas, TX |