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Frontier Airlines fleet

Frontier Airlines reports 178 airframes in its 2025 US DOT Form 41 filing — 176 in service, 2 stored. Average age 5.6 yr. Range 0.6 yr to 10.8 yr.

Fleet as reported in the 2025 US DOT Form 41 filing · Registry & ages refreshed Jul 14, 2026

In the filing
178176 in service · 2 stored
Average age
5.6 yr
Types operated
5Largest: Airbus A320neo

By type

TypeCountAvg age
Airbus A320neo826.9 yr
Airbus A321neo412.4 yr
Airbus AA321-271nx261.7 yr
Airbus A321219.7 yr
Airbus A320810.5 yr

Where Frontier Airlines flies

US DOT T-100 · filed data

What Frontier Airlines actually flew — departures, seats, and passengers filed with the US DOT (T-100), a live complement to the fleet inventory above.

Departures

207,424

April 2026

Seats flown

43,508,554

Passengers

34,016,602

Load factor

78.2%

passengers ÷ seats

Busiest Frontier Airlines airports

Where Frontier Airlines operates the most departures — its hubs and focus cities.

  • DEN

    Denver

    22,201 departures · 4,597,268 seats flown

    10.7%

    Share

  • ATL

    Atlanta

    19,239 departures · 4,084,712 seats flown

    9.3%

    Share

  • MCO

    Orlando

    17,175 departures · 3,584,780 seats flown

    8.3%

    Share

  • LAS

    Las Vegas

    11,808 departures · 2,521,060 seats flown

    5.7%

    Share

  • PHL

    Philadelphia

    9,310 departures · 2,044,422 seats flown

    4.5%

    Share

  • DFW

    Dallas-Fort Worth

    9,133 departures · 1,941,502 seats flown

    4.4%

    Share

  • PHX

    Phoenix

    7,491 departures · 1,508,460 seats flown

    3.6%

    Share

  • TPA

    Tampa

    6,667 departures · 1,365,462 seats flown

    3.2%

    Share

Busiest Frontier Airlines routes

  • DEN–LAS

    2,946 departures · 497,915 passengers

    79.5%

    Load

  • MCO–PHL

    2,878 departures · 548,221 passengers

    88.4%

    Load

  • DEN–PHX

    2,749 departures · 483,104 passengers

    84.0%

    Load

  • MCO–SJU

    2,376 departures · 448,054 passengers

    90.9%

    Load

  • ATL–MCO

    2,218 departures · 377,208 passengers

    81.6%

    Load

  • CLE–MCO

    2,208 departures · 389,339 passengers

    83.5%

    Load

  • DEN–DFW

    2,086 departures · 362,116 passengers

    82.3%

    Load

  • DCA–DEN

    1,967 departures · 310,969 passengers

    84.9%

    Load

  • DEN–SLC

    1,959 departures · 338,634 passengers

    81.9%

    Load

  • ATL–PHL

    1,862 departures · 310,628 passengers

    75.5%

    Load

  • LAS–PHX

    1,745 departures · 248,641 passengers

    68.6%

    Load

  • LAS–SFO

    1,695 departures · 285,803 passengers

    82.4%

    Load

  • ATL–FLL

    1,668 departures · 264,775 passengers

    74.3%

    Load

  • CVG–MCO

    1,626 departures · 271,982 passengers

    82.2%

    Load

  • PHL–SJU

    1,616 departures · 314,380 passengers

    84.7%

    Load

What Frontier Airlines flies

Aircraft types by share of departures — what actually operated, not fleet count.

Monthly Frontier Airlines capacity

Monthly Frontier Airlines departures, trailing 12 months through April 2026. Bars scale to the busiest month.

  • May 2025

    16,963 departures · 2,799,627 passengers

    78.9%

    Load

  • June 2025

    17,015 departures · 2,890,511 passengers

    81.4%

    Load

  • July 2025

    17,473 departures · 3,009,144 passengers

    82.6%

    Load

  • August 2025

    17,512 departures · 2,864,431 passengers

    78.0%

    Load

  • September 2025

    15,176 departures · 2,454,128 passengers

    76.9%

    Load

  • October 2025

    17,265 departures · 2,850,641 passengers

    78.7%

    Load

  • November 2025

    17,299 departures · 2,733,304 passengers

    75.1%

    Load

  • December 2025

    17,405 departures · 2,951,506 passengers

    80.4%

    Load

  • January 2026

    15,816 departures · 2,480,455 passengers

    74.5%

    Load

  • February 2026

    15,486 departures · 2,479,009 passengers

    76.4%

    Load

  • March 2026

    20,590 departures · 3,363,920 passengers

    78.1%

    Load

  • April 2026

    19,424 departures · 3,139,926 passengers

    76.8%

    Load

Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through April 2026. The DOT publishes roughly three months in arrears.

How old is the Frontier Airlines fleet?

Frontier Airlines — airframes by age (years)

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.

Oldest airframeN230FRAirbus A32010.8 yr · Delivered Oct 7, 2015
Newest airframeN674FRAirbus A321neo0.6 yr · Delivered Dec 29, 2025

Airframes

Inventory: US DOT Form 41 Schedule B-43 (2025). Deliveries: Airbus & Boeing official reports. Registry status: FAA. Last refreshed Jul 14, 2026.