| 🇺🇸United States Grand Prix 1980 | 5 Oct 1980 | Mario Andretti | 11 | 6 | 1 |
| 🇺🇸United States Grand Prix 1980 | 5 Oct 1980 | Elio de Angelis | 4 | 4 | 3 |
| 🇨🇦Canadian Grand Prix 1980 | 28 Sept 1980 | Mario Andretti | 18 | Engine | |
| 🇨🇦Canadian Grand Prix 1980 | 28 Sept 1980 | Elio de Angelis | 17 | 10 | |
| 🇮🇹Italian Grand Prix 1980 | 14 Sept 1980 | Elio de Angelis | 18 | 4 | 3 |
| 🇮🇹Italian Grand Prix 1980 | 14 Sept 1980 | Mario Andretti | 10 | Engine | |
| 🇳🇱Dutch Grand Prix 1980 | 31 Aug 1980 | Elio de Angelis | 11 | Accident | |
| 🇳🇱Dutch Grand Prix 1980 | 31 Aug 1980 | Nigel Mansell | 16 | Brakes | |
| 🇳🇱Dutch Grand Prix 1980 | 31 Aug 1980 | Mario Andretti | 10 | 8 | |
| 🇦🇹Austrian Grand Prix 1980 | 17 Aug 1980 | Mario Andretti | 17 | Engine | |
| 🇦🇹Austrian Grand Prix 1980 | 17 Aug 1980 | Nigel Mansell | 24 | Engine | |
| 🇦🇹Austrian Grand Prix 1980 | 17 Aug 1980 | Elio de Angelis | 9 | 6 | 1 |
| 🇩🇪German Grand Prix 1980 | 10 Aug 1980 | Elio de Angelis | 11 | 16 | |
| 🇩🇪German Grand Prix 1980 | 10 Aug 1980 | Mario Andretti | 9 | 7 | |
| 🇬🇧British Grand Prix 1980 | 13 Jul 1980 | Elio de Angelis | 14 | Suspension | |
| 🇬🇧British Grand Prix 1980 | 13 Jul 1980 | Mario Andretti | 9 | Gearbox | |
| 🇫🇷French Grand Prix 1980 | 29 Jun 1980 | Elio de Angelis | 14 | Clutch | |
| 🇫🇷French Grand Prix 1980 | 29 Jun 1980 | Mario Andretti | 12 | Gearbox | |
| 🇲🇨Monaco Grand Prix 1980 | 18 May 1980 | Elio de Angelis | 14 | 9 | |
| 🇲🇨Monaco Grand Prix 1980 | 18 May 1980 | Mario Andretti | 19 | 7 | |
| 🇧🇪Belgian Grand Prix 1980 | 4 May 1980 | Elio de Angelis | 8 | 10 | |
| 🇧🇪Belgian Grand Prix 1980 | 4 May 1980 | Mario Andretti | 17 | Gearbox | |
| 🇺🇸United States Grand Prix West 1980 | 30 Mar 1980 | Mario Andretti | 15 | Accident | |
| 🇺🇸United States Grand Prix West 1980 | 30 Mar 1980 | Elio de Angelis | 20 | Accident | |
| 🇿🇦South African Grand Prix 1980 | 1 Mar 1980 | Elio de Angelis | 14 | Spun off | |
| 🇿🇦South African Grand Prix 1980 | 1 Mar 1980 | Mario Andretti | 15 | 12 | |
| 🇧🇷Brazilian Grand Prix 1980 | 27 Jan 1980 | Mario Andretti | 11 | Spun off | |
| 🇧🇷Brazilian Grand Prix 1980 | 27 Jan 1980 | Elio de Angelis | 7 | 2 | 6 |
| 🇦🇷Argentine Grand Prix 1980 | 13 Jan 1980 | Elio de Angelis | 5 | Suspension | |
| 🇦🇷Argentine Grand Prix 1980 | 13 Jan 1980 | Mario Andretti | 6 | Fuel system | |