| 1 | 2021 | Bahreïn | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 17 | 18 | Turbo |
| 2021 | Bahreïn | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 15 | 14 | |
| 2 | 2021 | Emilia-Romagna | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 14 | ab | Incidente |
| 2021 | Emilia-Romagna | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 12 | ab | Collisione |
| 3 | 2021 | Portogallo | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 18 | 18 | |
| 2021 | Portogallo | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 11 | 16 | |
| 4 | 2021 | Spagna | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 19 | 16 | |
| 2021 | Spagna | Williams Racing | 45 | NISSANY Roy | Mercedes M12 E Performance V6 t h | Pirelli | | t | Terzo pilota |
| 2021 | Spagna | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 15 | 14 | |
| 5 | 2021 | Monaco | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 18 | 15 | |
| 2021 | Monaco | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 15 | 14 | |
| 6 | 2021 | Azerbaigian | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 16 | 16 | |
| 2021 | Azerbaigian | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 15 | 17 | Cambio |
| 7 | 2021 | Francia | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 16 | 18 | |
| 2021 | Francia | Williams Racing | 45 | NISSANY Roy | Mercedes M12 E Performance V6 t h | Pirelli | | t | Terzo pilota |
| 2021 | Francia | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 14 | 12 | |
| 8 | 2021 | Stiria | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 16 | 17 | |
| 2021 | Stiria | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 10 | ab | Pressione dell'aria |
| 9 | 2021 | Austria | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 18 | 16 | |
| 2021 | Austria | Williams Racing | 45 | NISSANY Roy | Mercedes M12 E Performance V6 t h | Pirelli | | t | Terzo pilota |
| 2021 | Austria | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 8 | 11 | |
| 10 | 2021 | Gran Bretagna | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 17 | 14 | |
| 2021 | Gran Bretagna | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 12 | 12 | |
| 11 | 2021 | Ungheria | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 18 | 7 | |
| 2021 | Ungheria | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 17 | 8 | |
| 12 | 2021 | Belgio | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 10 | 9 | |
| 2021 | Belgio | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 2 | 2 | |
| 13 | 2021 | Paesi Bassi | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 19 | 16 | |
| 2021 | Paesi Bassi | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 11 | 17 | Cambio |
| 14 | 2021 | Italia | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 13 | 11 | |
| 2021 | Italia | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 14 | 9 | |
| 15 | 2021 | Russia | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 18 | 19 | Danni da collisione |
| 2021 | Russia | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 3 | 10 | |
| 16 | 2021 | Turchia | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 15 | 17 | |
| 2021 | Turchia | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 13 | 15 | |
| 17 | 2021 | Stati Uniti | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 14 | 15 | |
| 2021 | Stati Uniti | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 20 | 14 | |
| 18 | 2021 | Città del Messico | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 13 | 17 | |
| 2021 | Città del Messico | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 16 | 16 | |
| 19 | 2021 | San Paolo | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 16 | 16 | |
| 2021 | San Paolo | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 17 | 13 | |
| 20 | 2021 | Qatar | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 17 | ab | Foratura di una gomma |
| 2021 | Qatar | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 15 | 17 | |
| 21 | 2021 | Arabia Saudita | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 16 | 12 | |
| 2021 | Arabia Saudita | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 14 | ab | Collisione |
| 22 | 2021 | Abu Dhabi | Williams Racing | 6 | LATIFI Nicholas | Mercedes M12 E Performance V6 t h | Pirelli | 16 | ab | Incidente |
| 2021 | Abu Dhabi | Williams Racing | 63 | RUSSELL George | Mercedes M12 E Performance V6 t h | Pirelli | 17 | ab | Cambio |
| 2021 | Abu Dhabi | Williams Racing | 89 | AITKEN Jack | Mercedes M12 E Performance V6 t h | Pirelli | | t | Terzo pilota |