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Airport: Sonoma County (STS)

31/2026

Passengers

  Enterprise Market share Change
1 Piedmont 42.45% -2.88 (-6.35%)
 
2 American Eagle 29.76% +1.18 (+4.15%)
 
3 Breeze Airways 14.91% +0.62 (+4.34%)
 
4 Frontier JetExpress 12.89% +1.07 (+9.09%)
 

Cargo

  Enterprise Market share Change
1 American Eagle 54.86% +8.07 (+17.25%)
 
2 Piedmont 22.22% -9.89 (-30.79%)
 
3 Breeze Airways 15.97% +2.21 (+16.06%)
 
4 Frontier JetExpress 6.94% -0.40 (-5.38%)