| Andretti Autosport | 27 | 
ScheduleThe provisional 2021 race calendar was announced on October 21, 2020, with the final round to be announced at a later date. This last round was later confirmed to be at Barber Motorsports park, after the IndyCar series moved its season opener there. The calendar was the first since 2002 to not feature the Freedom 100 at Indianapolis Motor Speedway. The Toronto round originally scheduled was replaced by a standalone second weekend at Mid-Ohio in October.
Championship standingsDrivers' Championship;Scoring system
| Position | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | 11th | 12th | 13th | 14th | 15th | 16th | 17th | 18th | 19th | 20th | | Points | 30 | 25 | 22 | 19 | 17 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | | Points | 45 | 38 | 33 | 29 | 26 | 23 | 21 | 20 | 18 | 17 | 15 | 14 | 12 | 11 | 9 | 8 | 6 | 5 | 4 | 2 |
- The driver who qualified on pole was awarded one additional point.
- An additional point was awarded to the driver who led the most laps in a race.
Teams' championship; Scoring system
| Position | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th+ | | Points | 22 | 18 | 15 | 12 | 10 | 8 | 6 | 4 | 2 | 1 |
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