marchello74 // Shutterstock

- Passengers: 111,221 (4.2% of all passengers)
- Top carriers:
--- #1. Alaska Airlines: 48,311
--- #2. United Air Lines: 44,952
--- #3. American Airlines: 17,945

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

ostreetphotography // Shutterstock

- Passengers: 117,204 (4.5% of all passengers)
- Top carriers:
--- #1. Delta Air Lines: 88,780
--- #2. Sun Country Airlines d/b/a MN Airlines: 19,701
--- #3. Alaska Airlines: 8,723

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

EQRoy // Shutterstock

- Passengers: 191,666 (7.3% of all passengers)
- Top carriers:
--- #1. Horizon Air: 105,152
--- #2. Alaska Airlines: 86,230
--- #3. Condor Flugdienst: 183

#2. Fairbanks International (Fairbanks, AK)

kan_khampanya // Shutterstock

- Passengers: 1,027,107 (39.2% of all passengers)
- Top carriers:
--- #1. Alaska Airlines: 803,201
--- #2. Delta Air Lines: 219,826
--- #3. Horizon Air: 4,080

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. Seattle/Tacoma International (Seattle, WA)