| month | day | visitor | score | home | score |
|---|
| November | 2, 1988 | Sonics | 117 | Jazz | 115 |
| November | 4, 1988 | Rockets | 80 | Sonics | 90 |
| November | 5, 1988 | Sonics | 91 | Suns | 104 |
| November | 6, 1988 | Sonics | 103 | Jazz | 114 |
| November | 10, 1988 | Sonics | 82 | Rockets | 98 |
| November | 13, 1988 | Sonics | 97 | 76ers | 119 |
| November | 14, 1988 | Bulls | 118 | Sonics | 103 |
| November | 17, 1988 | Kings | 91 | Sonics | 99 |
| November | 20, 1988 | Rockets | 88 | Sonics | 75 |
| November | 21, 1988 | Kings | 90 | Sonics | 96 |
| November | 22, 1988 | Sonics | 88 | Pacers | 123 |
| November | 23, 1988 | Spurs | 126 | Sonics | 106 |
| November | 26, 1988 | Sonics | 107 | Suns | 141 |
| November | 27, 1988 | Pacers | 112 | Sonics | 95 |
| December | 2, 1988 | Cavaliers | 87 | Sonics | 102 |
| December | 3, 1988 | Sonics | 95 | Knicks | 118 |
| December | 4, 1988 | Warriors | 98 | Sonics | 104 |
| December | 7, 1988 | Magic | 112 | Sonics | 103 |
| December | 9, 1988 | Sonics | 105 | Suns | 111 |
| December | 13, 1988 | Sonics | 105 | Warriors | 112 |
| December | 14, 1988 | 76ers | 111 | Sonics | 110 |
| December | 17, 1988 | Suns | 121 | Sonics | 90 |
| December | 19, 1988 | Sonics | 83 | Warriors | 129 |
| December | 22, 1988 | Sonics | 91 | Lakers | 110 |
| December | 23, 1988 | Sonics | 85 | Heat | 129 |
| December | 24, 1988 | Sonics | 114 | Warriors | 118 |
| December | 27, 1988 | Blazers | 75 | Sonics | 86 |
| January | 2, 1989 | Sonics | 94 | Clippers | 130 |
| January | 3, 1989 | Lakers | 112 | Sonics | 67 |
| January | 4, 1989 | Sonics | 98 | Jazz | 125 |
| January | 6, 1989 | Bullets | 90 | Sonics | 129 |
| January | 13, 1989 | Warriors | 108 | Sonics | 106 |
| January | 18, 1989 | Sonics | 79 | Kings | 112 |
| January | 19, 1989 | Blazers | 99 | Sonics | 96 |
| January | 20, 1989 | Bucks | 117 | Sonics | 89 |
| January | 21, 1989 | Sonics | 94 | Kings | 106 |
| January | 22, 1989 | Clippers | 110 | Sonics | 99 |
| January | 28, 1989 | Lakers | 114 | Sonics | 105 |
| February | 1, 1989 | Sonics | | Blazers | |
| February | 4, 1989 | Warriors | | Sonics | |
| February | 6, 1989 | Spurs | | Sonics | |
| February | 7, 1989 | Sonics | | Spurs | |
| February | 9, 1989 | Lakers | | Sonics | |
| February | 10, 1989 | Clippers | | Sonics | |
| February | 14, 1989 | Sonics | | Bucks | |
| February | 18, 1989 | Sonics | | Hornets | |
| February | 19, 1989 | Sonics | | Blazers | |
| February | 21, 1989 | Jazz | | Sonics | |
| February | 22, 1989 | Rockets | | Sonics | |
| February | 24, 1989 | Sonics | | Spurs | |
| February | 26, 1989 | Pistons | | Sonics | |
| March | 1, 1989 | Sonics | | Cavaliers | |
| March | 2, 1989 | Clippers | | Sonics | |
| March | 3, 1989 | Heat | | Sonics | |
| March | 5, 1989 | Knicks | | Sonics | |
| March | 7, 1989 | Sonics | | Rockets | |
| March | 10, 1989 | Kings | | Sonics | |
| March | 11, 1989 | Sonics | | Clippers | |
| March | 12, 1989 | Blazers | | Sonics | |
| March | 20, 1989 | Clippers | | Sonics | |
| March | 21, 1989 | Suns | | Sonics | |
| March | 24, 1989 | Jazz | | Sonics | |
| March | 25, 1989 | Sonics | | Rockets | |
| March | 27, 1989 | Spurs | | Sonics | |
| March | 30, 1989 | Sonics | | Magic | |
| March | 31, 1989 | Hornets | | Sonics | |
| April | 1, 1989 | Sonics | | Pistons | |
| April | 4, 1989 | Sonics | | Celtics | |
| April | 5, 1989 | Blazers | | Sonics | |
| April | 7, 1989 | Suns | | Sonics | |
| April | 9, 1989 | Sonics | | Blazers | |
| April | 11, 1989 | Sonics | | Rockets | |
| April | 12, 1989 | Sonics | | Bullets | |
| April | 15, 1989 | Sonics | | Bullets | |
| April | 18, 1989 | Bullets | | Sonics | |
| April | 22, 1989 | Sonics | | Bulls | |
| April | 24, 1989 | Sonics | | Bullets | |
| April | 25, 1989 | Sonics | | Lakers | |
| April | 26, 1989 | Sonics | | Jazz | |
| April | 27, 1989 | Celtics | | Sonics | |
| April | 30, 1989 | Sonics | | Spurs | |
| May | 2, 1989 | Sonics | | Suns | |