Frontier Airlines (F9), based in Denver, Colorado, is a leading Ultra Low-Cost Carrier (ULCC) with key hubs in cities like Atlanta, Chicago-Midway, Chicago-O’Hare, Cincinnati, Cleveland, Dallas/Fort Worth, Denver, Las Vegas, Miami, and Orlando. Operating flights to over 120 destinations across the US, Caribbean, Mexico, and Central America, Frontier boasts a fleet of 150 aircraft. The airline partners with programs such as Marriott Bonvoy, Wyndham Rewards, and Family Pooling, enabling members to earn and share FRONTIER Miles with family and friends.