During EAA AirVenture Oshkosh, the Wittman Regional Airport in Wisconsin becomes the busiest airport in the nation. The event started in 1953, more than 70 years ago.
In 2025, AirVenture drew 704,000 attendees, the highest total on record, along with 962 exhibitors, 6,000 volunteers and more than 10,000 aircraft.