| 🇺🇸United States Grand Prix 1979 | 7 Oct 1979 | Williams | 1 | Wheel | |
| 🇨🇦Canadian Grand Prix 1979 | 30 Sept 1979 | Williams | 1 | 1 | 9 |
| 🇮🇹Italian Grand Prix 1979 | 9 Sept 1979 | Williams | 4 | 9 | |
| 🇳🇱Dutch Grand Prix 1979 | 26 Aug 1979 | Williams | 2 | 1 | 9 |
| 🇦🇹Austrian Grand Prix 1979 | 12 Aug 1979 | Williams | 2 | 1 | 9 |
| 🇩🇪German Grand Prix 1979 | 29 Jul 1979 | Williams | 2 | 1 | 9 |
| 🇬🇧British Grand Prix 1979 | 14 Jul 1979 | Williams | 1 | Water pump | |
| 🇫🇷French Grand Prix 1979 | 1 Jul 1979 | Williams | 7 | 4 | 3 |
| 🇲🇨Monaco Grand Prix 1979 | 27 May 1979 | Williams | 9 | Steering | |
| 🇧🇪Belgian Grand Prix 1979 | 13 May 1979 | Williams | 4 | Electrical | |
| 🇪🇸Spanish Grand Prix 1979 | 29 Apr 1979 | Williams | 13 | Gearbox | |
| 🇺🇸United States Grand Prix West 1979 | 8 Apr 1979 | Williams | 10 | 3 | 4 |
| 🇿🇦South African Grand Prix 1979 | 3 Mar 1979 | Williams | 19 | Suspension | |
| 🇧🇷Brazilian Grand Prix 1979 | 4 Feb 1979 | Williams | 13 | Fuel system | |
| 🇦🇷Argentine Grand Prix 1979 | 21 Jan 1979 | Williams | 15 | 9 | |