Frontier Airlines is the US’s seventh-largest operator by passengers. In the 12 months to March 2026, the country’s Department of Transportation shows that the airline transported 33.7 million passengers. 93% flew domestically.
Frontier Airlines is the US’s seventh-largest operator by passengers. In the 12 months to March 2026, the country’s Department of Transportation shows that the airline transported 33.7 million passengers. 93% flew domestically.