Spirit Airlines
NK · NKSSpirit Airlines carries about 25.2M passengers a year on 131 aircraft, the 8th-largest US airline by passengers flown. Its busiest airport was Fort Lauderdale.
Passengers flown a year
25.2M
#8 US airline by passengers
131
aircraft
99
nonstop destinations
18
countries served
8.5 yr
average fleet age
73.1%
arrivals on time
78.4%
load factor
Spirit Airlines ceased operations May 2, 2026. The figures below are the fleet as last reported, not aircraft in service today. The filing is annual, 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.
Market position
Spirit Airlines flew 2.6% of all US passengers over the past year — the 8th-largest share of any carrier.
Share of all US passengers flown · each carrier a slice of the market · Spirit Airlines is the ringed slice at 2.6%
- AA
224.8M224,822,725 passengers
23.2%
Share
- DL
201.3M201,255,067 passengers
20.8%
Share
- UA
183.9M183,899,129 passengers
19.0%
Share
- WN
169.9M169,938,469 passengers
17.5%
Share
- AS
51.7M51,733,482 passengers
5.3%
Share
- B6
39.8M39,830,425 passengers
4.1%
Share
- +1 more carrier
- NK
Spirit#8 · this airline
25.2M25,211,701 passengers
2.6%
Share
Where Spirit Airlines flies
What Spirit Airlines actually flew — departures, seats, and passengers filed with the US DOT, the live complement to the fleet it owns.
Departures
169,240
12 months to May 2026
Seats flown
32,835,160
Passengers
25.2M
Load factor
78.4%
RPM ÷ ASM
Busiest Spirit Airlines routes
8 flights a day · 501,955 passengers
83.2%
full
6 flights a day · 384,037 passengers
85.7%
full
6 flights a day · 373,267 passengers
88.1%
full
5 flights a day · 359,644 passengers
87.2%
full
5 flights a day · 336,823 passengers
83.9%
full
6 flights a day · 325,515 passengers
84.8%
full
5 flights a day · 308,322 passengers
80.7%
full
5 flights a day · 295,895 passengers
74.2%
full
Bars are seats added or cut; the figure is the percentage. Comparing June 2025–May 2026 against June 2024–May 2025. Routes the airline started or dropped mid-year are left out — a percentage between a partial year and a full one measures whether the route existed, not how its capacity changed.
Spirit Airlines hubs & focus cities
Spirit Airlines spreads its flying across 8 bases rather than funnelling it through one fortress. Share is of every carrier's passengers at that airport, including its regional feeders; on time is that hub's own arrival rate.
- FLL
Fort Lauderdale
7.9M7,864,102 passengers · 71.4% on time
25%
of airport
71.4%
on time
- MCO
Orlando
5.3M5,262,999 passengers · 74.6% on time
9%
of airport
74.6%
on time
- DTW
Detroit
2.8M2,843,836 passengers · 74.5% on time
9%
of airport
74.5%
on time
- LAS
Las Vegas
2.8M2,784,572 passengers · 82.7% on time
5%
of airport
82.7%
on time
- EWR
Newark
2.4M2,423,249 passengers · 66.7% on time
5%
of airport
66.7%
on time
- IAH
Houston
2.2M2,155,671 passengers · 73.4% on time
5%
of airport
73.4%
on time
- DFW
Dallas-Fort Worth
1.8M1,760,397 passengers
2%
of airport
—
on time
- ATL
Atlanta
2M1,966,461 passengers · 69.7% on time
2%
of airport
69.7%
on time
Also measured on time · LGA 66.1%
The fleet
Spirit Airlines reported 131 airframes across 4 types, averaging 8.5 yr. Click through for every tail number, its delivery date and age.
- In the filing
- 131131 in service · 0 stored
- Average age
- 8.5 yrAcross 131 dated airframes
- Types operated
- 4Largest: Airbus A320
100% narrowbody · by aircraft
| Type | Count | Avg age |
|---|---|---|
| Airbus A320 | 62 | 11.7 yr |
| Airbus A321 | 29 | 9.6 yr |
| Airbus A321neo | 21 | 2.0 yr |
| Airbus A320neo | 19 | 3.8 yr |
On-time performance
Of every 100 Spirit Airlines flights, 73 touch down within 15 minutes of schedule, 23 arrive late, and 4 are cancelled. That is a 73.1% on-time rate across 129.2K arrivals over the trailing 11 months.
Every 100 flights
21 min
average delay
4,943
flights cancelled
129.2K
arrivals measured
What holds flights up
Share of delay minutes
On time, month by month
J
A
S
O
N
D
J
F
M
A
M
Darker is better · 54.2%–84.2%
The weak spot is March 2026, when 54.2% of arrivals landed on time — 18.9 points below the year. The strongest was September 2025 at 84.2%.
On time vs. peers
Bars scaled to the best performer, not to zero
Spirit Airlines lands 73.1% of its arrivals on time — 4 of 4 peers do better.
Frequently asked
How big is Spirit Airlines's fleet?
Spirit Airlines reported a fleet of about 131 aircraft across 4 types, with an average age of 8.5 yr.
How many passengers does Spirit Airlines carry a year?
Spirit Airlines carried about 25.2M passengers a year, the 8th-largest US airline by passengers flown.
What is Spirit Airlines's biggest hub?
Spirit Airlines's busiest airport was Fort Lauderdale, where it flew about 25% of all passengers.
How many destinations does Spirit Airlines fly to?
Spirit Airlines served about 99 nonstop destinations in 18 countries.
How reliable is Spirit Airlines?
About 73.1% of Spirit Airlines flights arrived within 15 minutes of schedule over the trailing 11 months, per US DOT figures.