Frontier Airlines A321neo
F9Narrow-body jet
Fleet as reported in the 2025 annual filing · Registry & ages refreshed Sep 1, 2026
- Passengers flown a year
- 14.4M
- 2nd-largest Frontier Airlines sub-fleet
- Airframes in the filing
- 67
- Airports served
- 60
- Countries
- 4
- Departures a day
- 219
- Average age
- 2.3 yr
How Frontier Airlines flies its A321neo
Filed traffic dataThe count above is the A321neo airframes Frontier Airlines owns (US DOT Form 41). This is how it actually flew them to 60 airports across 4 countries — the capacity and busiest routes filed with US DOT T-100 over the trailing 12 months.
Departures flown
80,060
May 2026
Seats flown
18,880,950
Passengers
14.4M
Load factor
78.1%
RPM ÷ ASM
Block hours
215,913
Frontier Airlines's busiest A321neo routes
Its busiest A321neo routes over the trailing 12 months, by departures.
Orlando – Philadelphia (MCO–PHL)
1,389 departures · 288,742 passengers · 862 mi
88.4%
Load
Philadelphia – San Juan (PHL–SJU)
1,334 departures · 268,085 passengers · 1,576 mi
86.2%
Load
1,232 departures · 230,884 passengers · 628 mi
78.9%
Load
Atlanta – Philadelphia (ATL–PHL)
1,064 departures · 185,880 passengers · 666 mi
74.4%
Load
1,029 departures · 198,230 passengers · 602 mi
81.3%
Load
Las Vegas – Los Angeles (LAS–LAX)
880 departures · 165,302 passengers · 236 mi
78.4%
Load
Philadelphia – Tampa (PHL–TPA)
874 departures · 171,142 passengers · 920 mi
83.9%
Load
852 departures · 165,447 passengers · 895 mi
82.1%
Load
829 departures · 154,945 passengers · 404 mi
79.5%
Load
799 departures · 155,689 passengers · 762 mi
81.6%
Load
Atlanta – Fort Lauderdale (ATL–FLL)
777 departures · 130,170 passengers · 581 mi
70.5%
Load
776 departures · 139,299 passengers · 760 mi
75.0%
Load
Orlando – San Juan (MCO–SJU)
759 departures · 153,112 passengers · 1,189 mi
90.7%
Load
Denver – Dallas-Fort Worth (DEN–DFW)
746 departures · 138,386 passengers · 641 mi
78.2%
Load
Atlanta – Los Angeles (ATL–LAX)
745 departures · 157,742 passengers · 1,947 mi
88.3%
Load
The longest and shortest Frontier Airlines A321neo flights
The two ends of the type's working envelope, from the routes it actually flew — not what the airframe is certified to do.
Longest route flown
2,475 mi
New York – Los Angeles (JFK–LAX)
5h 44m block · 460 departures · 86% load
Flown by Frontier Airlines. A long leg for a narrow-body twin — far enough from a diversion airport that the type carries an ETOPS rating.
Shortest route flown
155 mi
Punta Cana – San Juan (PUJ–SJU)
1h 1m block · 321 departures · 58% load
Flown by Frontier Airlines.
Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through May 2026.
Where Frontier Airlines flies the A321neo from
Frontier Airlines flies its A321neo from 60 US airports in 4 countries. The busiest, by departures:
- ATL
7,817 departures · 33 routes
11.6%
Share
- DEN
6,172 departures · 32 routes
9.2%
Share
- MCO
5,598 departures · 27 routes
8.3%
Share
- LAS
5,150 departures · 26 routes
7.7%
Share
- PHL
4,883 departures · 22 routes
7.3%
Share
- DFW
3,303 departures · 22 routes
4.9%
Share
- LAX
2,781 departures · 15 routes
4.1%
Share
- CLE
2,462 departures · 14 routes
3.7%
Share
- SJU
San Juan
2,061 departures · 11 routes
3.1%
Share
- PHX
1,747 departures · 11 routes
2.6%
Share
Where the A321neo sits in Frontier Airlines's fleet
The A321neo is 37.6% of Frontier Airlines's 178 tracked mainline aircraft.
Share of Frontier Airlines's mainline fleet · each type a slice
Other Frontier Airlines types
How old is the Frontier Airlines A321neo fleet?
Age is measured from each airframe's delivery date — the FAA airworthiness date where available, otherwise the manufacturer's. Bars share a fixed scale across every fleet page, so two carriers can be compared directly.
See all 67 A321neo tail numbers in Frontier Airlines's fleet →
Monthly Frontier Airlines A321neo capacity
Frequently asked
How many A321neo does Frontier Airlines have?
Frontier Airlines operates about 67 A321neo aircraft — 67 in service and 0 stored in its latest US DOT fleet filing.
Where does Frontier Airlines fly the A321neo?
Frontier Airlines flies its A321neo to about 60 US airports across 4 countries, its busiest route being MCO–PHL.
How old are Frontier Airlines's A321neo?
Frontier Airlines's A321neo fleet averages about 2.3 yr, ranging from 0.7 yr to 4.0 yr.
What is the longest A321neo route Frontier Airlines flies?
The longest A321neo route Frontier Airlines flew over the trailing 12 months is JFK–LAX, about 2,475 miles.