Explore the latest Frontier Airlines (F9) fleet and aircraft seat maps. Compare amenities, baggage, check-in, children and pet travel rules.
Last updated: October 2026Explore the latest Frontier Airlines (F9) fleet and aircraft seat maps. Compare amenities, baggage, check-in, children and pet travel rules.
The company was founded on February 8, 1994, and began operations on July 5, 1994. Frontier Airlines is the long-haul airline of the United States. It is headquartered in Denver, Colorado, United States. Denver is Frontier Airlines' primary hub. It also has bases in Atlanta, Chicago-O'Hare, Cleveland, Las Vegas, Miami, Orlando, Philadelphia, Tampa, and Trenton. Frontier Airlines operates scheduled passenger air service to 83 destinations in the United States, Mexico, and Costa Rica.
| Route | Cities | Typical duration | Weekly flights | Service | |
|---|---|---|---|---|---|
| DEN to LAS | Denver to Las Vegas | 2h 0m | 32 | NONSTOP | |
| DEN to PHX | Denver to Phoenix | 2h 0m | 23 | NONSTOP | |
| DEN to DCA | Denver to Washington | 3h 26m | 19 | NONSTOP | |
| DEN to DFW | Denver to DFW | 2h 6m | 18 | NONSTOP | |
| DEN to ATL | Denver to Atlanta | 3h 0m | 14 | NONSTOP |
| Cabin | Seat pitch | Seat width | Seat recline |
|---|---|---|---|
| EconomyAirbus A320 A320-200 V.1 | 71-74 cm | 46 cm | 0 cm |
| EconomyAirbus A320 A320-200 V.2 | 71-74 cm | 46 cm | 0 cm |
Frontier Airlines Carry-on bags must be 35 pounds or less to qualify and be smaller than 24 inches tall, 16 inches wide, and 10 inches deep. Personal item bags can only be 14 inches tall, 18 inches wide, and 8 inches deep. Checked Bag size: 62 linear inches and < 40lbs.
Frontier Airlines Baggage rulesDomesticated dogs, cats, rabbits, guinea pigs, hamsters, or small poultry may be transported on Frontier Airlines flights within the United States for a fee. The maximum dimensions of the pet container are 18 inches long, 14 inches wide, and 8 inches high.
Flying with pets on Frontier AirlinesFrontier Airlines allows infants from seven days old to two years old to fly for free on an adult's lap. An adult traveling with an infant on their lap can bring a second personal item, such as a diaper bag, free of charge. If the parents wish, a seat at the child fare can be purchased for the infant.
Frontier Airlines Infants policyFrontier Airlines Check-in desks open 2 hours before the flight and close 60 minutes before the Frontier Airlines flight. Check in on our Online Check-In page up to 24 hours before Frontier Airlines flight departure (until 60 minutes before departure).
Frontier Airlines Check-in rulesFrontier Airlines does not allow children under 15 to travel alone.
Unaccompanied minors in Frontier AirlinesFind quick answers to the most common questions about flying with Frontier Airlines.
It opens 24 hours ahead and closes 60 minutes before domestic and international departures.
Arrive at least 45 minutes before departure. Boarding ends 20 minutes before departure.
Yes. Use the app boarding pass and proceed through security to the gate.
The limit is 14 × 18 × 8 inches, including handles, wheels and straps.
The limits are 24 × 16 × 10 inches and 35 lb.
They are 62 linear inches and 40 lb. Excess fees apply above these limits.
No. They are free, and strollers may be gate-checked.
No. They must be on the same reservation as an accompanying adult.
Neither is currently provided. Starlink installation is planned from early 2027, rather than already available.
No. Major credit cards and Apple, Google and Samsung Pay are accepted.
Explore the latest Frontier Airlines (F9) fleet and aircraft seat maps. Compare amenities, baggage, check-in, children and pet travel rules.
Last updated: October 2026Explore the latest Frontier Airlines (F9) fleet and aircraft seat maps. Compare amenities, baggage, check-in, children and pet travel rules.
The company was founded on February 8, 1994, and began operations on July 5, 1994. Frontier Airlines is the long-haul airline of the United States. It is headquartered in Denver, Colorado, United States. Denver is Frontier Airlines' primary hub. It also has bases in Atlanta, Chicago-O'Hare, Cleveland, Las Vegas, Miami, Orlando, Philadelphia, Tampa, and Trenton. Frontier Airlines operates scheduled passenger air service to 83 destinations in the United States, Mexico, and Costa Rica.
| Route | Cities | Typical duration | Weekly flights | Service | |
|---|---|---|---|---|---|
| DEN to LAS | Denver to Las Vegas | 2h 0m | 32 | NONSTOP | |
| DEN to PHX | Denver to Phoenix | 2h 0m | 23 | NONSTOP | |
| DEN to DCA | Denver to Washington | 3h 26m | 19 | NONSTOP | |
| DEN to DFW | Denver to DFW | 2h 6m | 18 | NONSTOP | |
| DEN to ATL | Denver to Atlanta | 3h 0m | 14 | NONSTOP |
| Cabin | Seat pitch | Seat width | Seat recline |
|---|---|---|---|
| EconomyAirbus A320 A320-200 V.1 | 71-74 cm | 46 cm | 0 cm |
| EconomyAirbus A320 A320-200 V.2 | 71-74 cm | 46 cm | 0 cm |
Frontier Airlines Carry-on bags must be 35 pounds or less to qualify and be smaller than 24 inches tall, 16 inches wide, and 10 inches deep. Personal item bags can only be 14 inches tall, 18 inches wide, and 8 inches deep. Checked Bag size: 62 linear inches and < 40lbs.
Frontier Airlines Baggage rulesDomesticated dogs, cats, rabbits, guinea pigs, hamsters, or small poultry may be transported on Frontier Airlines flights within the United States for a fee. The maximum dimensions of the pet container are 18 inches long, 14 inches wide, and 8 inches high.
Flying with pets on Frontier AirlinesFrontier Airlines allows infants from seven days old to two years old to fly for free on an adult's lap. An adult traveling with an infant on their lap can bring a second personal item, such as a diaper bag, free of charge. If the parents wish, a seat at the child fare can be purchased for the infant.
Frontier Airlines Infants policyFrontier Airlines Check-in desks open 2 hours before the flight and close 60 minutes before the Frontier Airlines flight. Check in on our Online Check-In page up to 24 hours before Frontier Airlines flight departure (until 60 minutes before departure).
Frontier Airlines Check-in rulesFrontier Airlines does not allow children under 15 to travel alone.
Unaccompanied minors in Frontier AirlinesFind quick answers to the most common questions about flying with Frontier Airlines.
It opens 24 hours ahead and closes 60 minutes before domestic and international departures.
Arrive at least 45 minutes before departure. Boarding ends 20 minutes before departure.
Yes. Use the app boarding pass and proceed through security to the gate.
The limit is 14 × 18 × 8 inches, including handles, wheels and straps.
The limits are 24 × 16 × 10 inches and 35 lb.
They are 62 linear inches and 40 lb. Excess fees apply above these limits.
No. They are free, and strollers may be gate-checked.
No. They must be on the same reservation as an accompanying adult.
Neither is currently provided. Starlink installation is planned from early 2027, rather than already available.
No. Major credit cards and Apple, Google and Samsung Pay are accepted.