ostreetphotography // Shutterstock

- Passengers: 10,347 (22.1% of all passengers)
- Top carriers:
--- #1. Endeavor Air: 10,097
--- #2. SkyWest Airlines: 250

#2. Minneapolis-St Paul International (Minneapolis, MN)

marchello74 // Shutterstock

- Passengers: 34,805 (74.2% of all passengers)
- Top carriers:
--- #1. Envoy Air: 15,705
--- #2. Air Wisconsin Airlines Corp: 15,009
--- #3. SkyWest Airlines: 4,091

This story features data reporting by Rob Powell, writing by Jaimie Etkin, and is part of a series utilizing data automation across 199 metros.

#1. Chicago O'Hare International (Chicago, IL)