In 2024, Chicago O’Hare and Chicago Midway welcomed 101.5 million passengers. The US Department of Transportation data show that approximately 85.1 million were domestic. Figures included traffic by Avelo, which has switched from Midway to O’Hare. When the two airports are combined, 15 markets had one million or more round-trip local Chicago passengers. While Rockford is prefixed by ‘Chicago,’ it is not included in this analysis.
