| 1 | 2021 | Barber Motorsports Park | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 6 | 3 |
| 2 | 2021 | Barber Motorsports Park | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 4 | 3 |
| 3 | 2021 | Streets of St. Petersburg | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 3 | 12 |
| 4 | 2021 | Streets of St. Petersburg | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 3 | 5 |
| 5 | 2021 | Indianapolis Grand Prix Circuit | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 7 | 7 |
| 6 | 2021 | Indianapolis Grand Prix Circuit | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 8 | 6 |
| 7 | 2021 | Belle Isle Circuit | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 11 | 7 |
| 8 | 2021 | Belle Isle Circuit | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 9 | 5 |
| 9 | 2021 | Road America | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 3 | 10 |
| 10 | 2021 | Road America | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 4 | 6 |
| 11 | 2021 | Mid-Ohio Sports Car Course | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 5 | 5 |
| 12 | 2021 | Mid-Ohio Sports Car Course | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 5 | 5 |
| 13 | 2021 | World Wide Technology Raceway | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 7 | 4 |
| 14 | 2021 | World Wide Technology Raceway | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 7 | 5 |
| 15 | 2021 | Portland International Raceway | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 8 | 11 |
| 16 | 2021 | Portland International Raceway | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 8 | 7 |
| 17 | 2021 | WeatherTech Raceway Laguna Seca | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 7 | 9 |
| 18 | 2021 | WeatherTech Raceway Laguna Seca | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 8 | 8 |
| 19 | 2021 | Mid-Ohio Sports Car Course | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 6 | 9 |
| 20 | 2021 | Mid-Ohio Sports Car Course | 17 | Andretti Steinbrenner Autosport | Dallara IL-15 | AER IL-2 | 4 | 4 |
