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Spirit Airlines fleet

Spirit Airlines reported 131 airframes in its 2025 US DOT Form 41 filing — 131 in service, 0 stored. Average age 8.4 yr. Range 1.2 yr to 16.4 yr.

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

Spirit Airlines ceased operations May 2, 2026. The figures below are the fleet as last reported to the US DOT, not aircraft in service today. Form 41 is an annual filing and continues to report a carrier's fleet after it stops flying.

A further 86 airframes were last reported in an earlier filing and are excluded from the counts below.

In the filing
131131 in service · 0 stored
Average age
8.4 yr
Types operated
4Largest: Airbus A320

By type

TypeCountAvg age
Airbus A3206211.6 yr
Airbus A321299.5 yr
Airbus A321neo211.8 yr
Airbus A320neo193.7 yr

Where Spirit Airlines flies

US DOT T-100 · filed data

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

Departures

188,302

April 2026

Seats flown

36,490,294

Passengers

28,124,071

Load factor

77.1%

passengers ÷ seats

Busiest Spirit Airlines airports

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

  • FLL

    Fort Lauderdale

    27,904 departures · 5,569,814 seats flown

    14.8%

    Share

  • MCO

    Orlando

    19,445 departures · 3,702,121 seats flown

    10.3%

    Share

  • LAS

    Las Vegas

    11,673 departures · 2,177,884 seats flown

    6.2%

    Share

  • DTW

    Detroit

    10,487 departures · 2,059,107 seats flown

    5.6%

    Share

  • EWR

    Newark

    8,349 departures · 1,632,738 seats flown

    4.4%

    Share

  • IAH

    Houston

    7,357 departures · 1,456,949 seats flown

    3.9%

    Share

  • ATL

    Atlanta

    6,690 departures · 1,363,103 seats flown

    3.6%

    Share

  • DFW

    Dallas-Fort Worth

    6,028 departures · 1,188,693 seats flown

    3.2%

    Share

Busiest Spirit Airlines routes

  • ATL–FLL

    3,056 departures · 546,640 passengers

    84.1%

    Load

  • EWR–MCO

    2,432 departures · 408,293 passengers

    88.1%

    Load

  • EWR–FLL

    2,245 departures · 408,091 passengers

    86.0%

    Load

  • BUR–LAS

    2,242 departures · 226,921 passengers

    57.5%

    Load

  • DTW–MCO

    2,222 departures · 357,961 passengers

    85.1%

    Load

  • DTW–LGA

    2,073 departures · 317,374 passengers

    75.1%

    Load

  • FLL–IAH

    2,069 departures · 339,708 passengers

    81.0%

    Load

  • FLL–LGA

    2,068 departures · 383,297 passengers

    87.6%

    Load

  • FLL–ORD

    2,055 departures · 365,951 passengers

    84.2%

    Load

  • LAS–SNA

    1,923 departures · 241,526 passengers

    71.4%

    Load

  • BWI–FLL

    1,918 departures · 312,897 passengers

    84.3%

    Load

  • DTW–FLL

    1,906 departures · 305,723 passengers

    75.2%

    Load

  • FLL–TPA

    1,838 departures · 237,935 passengers

    66.7%

    Load

  • FLL–MCO

    1,726 departures · 214,063 passengers

    66.2%

    Load

  • BNA–MCO

    1,660 departures · 226,245 passengers

    73.1%

    Load

What Spirit Airlines flies

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

Monthly Spirit Airlines capacity

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

  • May 2025

    19,410 departures · 2,935,538 passengers

    78.8%

    Load

  • June 2025

    19,472 departures · 2,929,273 passengers

    78.1%

    Load

  • July 2025

    19,394 departures · 3,008,944 passengers

    80.4%

    Load

  • August 2025

    19,458 departures · 2,839,580 passengers

    75.4%

    Load

  • September 2025

    16,899 departures · 2,238,528 passengers

    68.1%

    Load

  • October 2025

    15,619 departures · 2,273,422 passengers

    74.6%

    Load

  • November 2025

    13,138 departures · 1,930,482 passengers

    75.4%

    Load

  • December 2025

    13,929 departures · 2,182,958 passengers

    80.5%

    Load

  • January 2026

    13,171 departures · 1,938,206 passengers

    75.6%

    Load

  • February 2026

    12,361 departures · 1,869,264 passengers

    77.8%

    Load

  • March 2026

    13,898 departures · 2,176,233 passengers

    81.0%

    Load

  • April 2026

    11,553 departures · 1,801,643 passengers

    80.2%

    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 Spirit Airlines fleet?

Spirit 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 airframeN601NKAirbus A32016.4 yr · Delivered Mar 5, 2010
Newest airframeN744NKAirbus A321neo1.2 yr · Delivered May 22, 2025

Airframes

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