Windy City Thunderbolts
Franchise History
(2004-2026)
Most wins in a season: 68 in 2007
Most losses in a season: 62 in 2022
Windy City Thunderbolts All-Time Batting and Pitching Leaders
The Windy City Thunderbolts, an independent, minor league baseball team, has played in the Frontier League between 2004 and 2026.
 (2026-) |
 (2004-2025) |
| Year | Team | League | W | L | Attend | Avg. | ||
|---|---|---|---|---|---|---|---|---|
| 2004 | Windy City Thunderbolts | Frontier League | 37 | 57 | Roster | Stats | 67,397 | 1,685 |
| 2005 | Windy City Thunderbolts | Frontier League | 39 | 57 | Roster | Stats | 78,011 | 1,530 |
| 2006 | Windy City Thunderbolts | Frontier League | 41 | 54 | Roster | Stats | 70,907 | 1,541 |
| 2007 | Windy City Thunderbolts | Frontier League | 68 | 28 | Roster | Stats | 81,586 | 1,813 |
| 2008 | Windy City Thunderbolts | Frontier League | 60 | 36 | Roster | Stats | 90,616 | 1,777 |
| 2009 | Windy City Thunderbolts | Frontier League | 56 | 40 | Roster | Stats | 103,129 | 2,242 |
| 2010 | Windy City Thunderbolts | Frontier League | 56 | 38 | Roster | Stats | 92,240 | 1,963 |
| 2011 | Windy City ThunderBolts | Frontier League | 48 | 48 | Roster | Stats | 86,727 | 1,885 |
| 2012 | Windy City ThunderBolts | Frontier League | 54 | 42 | Roster | Stats | 86,178 | 1,873 |
| 2013 | Windy City ThunderBolts | Frontier League | 50 | 46 | Roster | Stats | 74,609 | 1,523 |
| 2014 | Windy City ThunderBolts | Frontier League | 35 | 60 | Roster | Stats | 74,481 | 1,552 |
| 2015 | Windy City ThunderBolts | Frontier League | 41 | 55 | Roster | Stats | 76,550 | 1,562 |
| 2016 | Windy City ThunderBolts | Frontier League | 42 | 53 | Roster | Stats | 76,870 | 1,671 |
| 2017 | Windy City ThunderBolts | Frontier League | 51 | 45 | Roster | Stats | 78,585 | 1,672 |
| 2018 | Windy City ThunderBolts | Frontier League | 41 | 54 | Roster | Stats | 78,177 | 1,663 |
| 2019 | Windy City ThunderBolts | Frontier League | 42 | 54 | Roster | Stats | 79,171 | 1,684 |
| 2021 | Windy City ThunderBolts | Frontier | 43 | 49 | Roster | Stats | 65,022 | 1,414 |
| 2022 | Windy City ThunderBolts | Frontier League | 33 | 62 | Roster | Stats | 84,564 | 1,726 |
| 2023 | Windy City ThunderBolts | Frontier League | 43 | 52 | Roster | Stats | 98,005 | 1,960 |
| 2024 | Windy City ThunderBolts | Frontier League | 40 | 56 | Roster | Stats | 97,621 | 2,122 |
| 2025 | Windy City ThunderBolts | Frontier League | 36 | 60 | Roster | Stats | 90,383 | 1,965 |
| 2026 | Windy City ThunderBolts | Frontier League | 0 | 0 | Roster | Stats |
Average attendance is based upon the number of actual home dates where known (most leagues from 1992 and later). Where the number of home dates is not known, the average is calculated using half the team's total games.
