| Date | Grandprix | Team | Winning Time | Leader Offset | Pos | Pts | Total |
| 10/03/1991 | United States | Williams | Retirement - Gearbox | 0 | 0 | ||
| 24/03/1991 | Brazil | Williams | Retirement - Gearbox | 0 | 0 | ||
| 28/04/1991 | San Marino | Williams | Retirement - Accident With Brundle | 0 | 0 | ||
| 12/05/1991 | Monaco | Williams | 113:2.334 | +0.18.348 | 2 | 6 | 6 |
| 02/06/1991 | Canada | Williams | 98:51.49 | +1 lap | 6 | 1 | 7 |
| 16/06/1991 | Mexican | Williams | 89:52.205 | +0.01.336 | 2 | 6 | 13 |
| 07/07/1991 | France | Williams | 98:.056 | 1 | 10 | 23 | |
| 14/07/1991 | Britain | Williams | 87:35.479 | 1 | 10 | 33 | |
| 28/07/1991 | Germany | Williams | 79:29.661 | 1 | 10 | 43 | |
| 11/08/1991 | Hungary | Williams | 109:12.796 | +0.04.599 | 2 | 6 | 49 |
| 25/08/1991 | Belgium | Williams | Retirement - Voltage Regulator | 0 | 49 | ||
| 08/09/1991 | Italy | Williams | 77:54.319 | 1 | 10 | 59 | |
| 22/09/1991 | Portugese | Williams | Retirement - Disq:Wheel Change | 0 | 59 | ||
| 29/09/1991 | Spain | Williams | 98:41.541 | 1 | 10 | 69 | |
| 20/10/1991 | Japan | Williams | Retirement - Accident | 0 | 69 | ||
| 03/11/1991 | Australia | Williams | 24:34.889 | +0.01.269 | 2 | 3 | 72 |