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ICAO NKS

Spirit Airlines

In May 2026 Spirit Airlines operated 348 flights on US routes and carried 23,168 passengers on them, according to the US BTS. Year to date: 51,331 flights operated (Jan–May 2026), down 47.6% on a year earlier.

Official · May 2026 according to the US BTS only flights to or from one country, not the full total

Flights operated over time

The most recent periods17 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January19,46313,171▼ 32.3%
February17,64712,361▼ 30.0%
March21,38613,898▼ 35.0%
April20,02111,553▼ 42.3%
May19,410348▼ 98.2%
June19,472––
July19,394––
August19,458––
September16,899––
October15,619–in progress
November13,138––
December13,929––
Year to date (Jan–May)97,92751,331▼ 47.6%

according to the US BTS

Passengers over time

only flights to or from one country, not the full total
The most recent periods17 periods
PeriodPassengers 2025Passengers 2026Change vs last year
January2,892,2601,938,206▼ 33.0%
February2,615,1891,869,264▼ 28.5%
March3,260,8142,176,233▼ 33.3%
April2,923,1411,801,643▼ 38.4%
May2,935,53823,168▼ 99.2%
June2,929,273––
July3,008,944––
August2,839,580––
September2,238,528––
October2,273,422–in progress
November1,930,482––
December2,182,958––
Year to date (Jan–May)14,626,9427,808,514▼ 46.6%

according to the US BTS

Tonnes of cargo over time

only flights to or from one country, not the full total

Series ends July 2020.

The most recent periods3 periods
PeriodTonnes of cargo 2019Tonnes of cargo 2020Change vs last year
January–––
February–1–
March–––
April–––
May–––
June–2–
July–8–
August–––
September–––
October–––
November–––
December–––

according to the US BTS

Cancelled flights over time

collected from public airport flight boards (Avionio) — not an official count

1 September 2026

according to Avionio

Scheduled flights over time

collected from public airport flight boards (Avionio) — not an official count

3 September 2026

according to Avionio

Seats offered over time

only flights to or from one country, not the full total
The most recent periods17 periods
PeriodSeats offered 2025Seats offered 2026Change vs last year
January3,714,1822,563,286▼ 31.0%
February3,368,7322,402,730▼ 28.7%
March4,105,0012,688,050▼ 34.5%
April3,833,0692,245,395▼ 41.4%
May3,726,30671,172▼ 98.1%
June3,750,677––
July3,743,797––
August3,766,577––
September3,285,319––
October3,046,262–in progress
November2,559,607––
December2,712,288––
Year to date (Jan–May)18,747,2909,970,633▼ 46.8%

according to the US BTS

Load factor (computed)

only flights to or from one country, not the full total

Passengers ÷ seats offered, both as reported by the US BTS for the same months. Computed by us; the two source series are shown on this page.

The most recent periods17 periods
PeriodLoad factor 2025Load factor 2026Change vs last year
January77.9%75.6%▼ 2.9%
February77.6%77.8%▲ 0.2%
March79.4%81.0%▲ 1.9%
April76.3%80.2%▲ 5.2%
May78.8%32.6%▼ 58.7%
June78.1%––
July80.4%––
August75.4%––
September68.1%––
October74.6%–in progress
November75.4%––
December80.5%––
Year-to-date average (Jan–May)78.0%69.4%▼ 11.0%

Seasonality · flights operated by month

Year JanFebMarAprMayJunJulAugSepOctNovDec
2024 23,380 22,717 25,452 24,395 25,733 25,339 25,824 25,983 22,116 22,682 21,234 21,360
2025 19,463 17,647 21,386 20,021 19,410 19,472 19,394 19,458 16,899 15,619 13,138 13,929
2026 13,171 12,361 13,898 11,553 348

Flight numbers and routes

Busiest flight numbers

FlightRouteOn timeDepartures counted
NK894FLL–STT82.2%536
NK895STT–FLL81.7%535
NK1ORD–FLL3 legs76.7%513
NK284MCO–STT2 legs80.1%473
NK954LAS–FLL73.5%472
NK277STT–MCO74.1%469
NK777FLL–LAS65.9%457
NK2FLL–ORD3 legs89.0%401
All 2,644 flight numbers of this airline

Busiest routes

RouteFlight numbersDepartures counted
ATL–FLLHartsfield Jackson Atlanta International Airport · Fort Lauderdale Hollywood International Airport784,252
EWR–FLLNewark Liberty International Airport · Fort Lauderdale Hollywood International Airport643,772
EWR–MCONewark Liberty International Airport · Orlando International Airport603,453
BUR–LASHollywood Burbank/Bob Hope Airport · Harry Reid International Airport553,239
FLL–LGAFort Lauderdale Hollywood International Airport · LaGuardia Airport503,179
FLL–ORDFort Lauderdale Hollywood International Airport · Chicago O'Hare International Airport343,097
FLL–IAHFort Lauderdale Hollywood International Airport · George Bush Intercontinental Airport533,046
DTW–MCODetroit Metropolitan Wayne County Airport · Orlando International Airport563,026
Routes directory272 airport pairs in total

Counted from the 2,644 flight numbers we publish under this airline's code, October 2024 to May 2026, according to the US BTS. This is not the airline's full network, and where the source is an airport departures board a number can be a codeshare operated by another airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to each departure airport. Results combine the routes in this source’s coverage; a different mix of routes can change the averages.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → May 1, 2026

Lowest average delay06:00–07:003.9min · 25,201 recorded · 24,636 measured
Gap to highest-delay hour20.0min06:00 ↔ 21:00
Recorded flights293,716Spirit Airlines

Departure hour

On-time departures Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:0079.1%11.3 min1,1981,209
01:0071.9%21.2 min608651
02:0071.0%18.4 min290297
03:00Fewer than 200 measured departures—129132
04:00Fewer than 200 measured departures—108114
05:0090.2%4.0 min16,91417,339
06:0089.8%3.9 min24,63625,201
07:0088.0%4.3 min16,67816,967
08:0086.0%5.8 min14,63614,887
09:0084.8%6.9 min14,92415,197
10:0082.9%8.4 min15,20115,472
11:0081.3%10.4 min13,98914,197
12:0078.2%12.4 min13,64013,923
13:0078.2%12.9 min13,25313,474
14:0075.4%16.3 min14,91715,236
15:0074.1%16.8 min14,11414,423
16:0070.0%20.6 min15,08815,453
17:0071.6%19.1 min16,38216,770
18:0067.6%22.7 min17,22017,718
19:0067.8%22.6 min15,70416,135
20:0067.6%22.9 min19,16319,736
21:0066.0%23.9 min16,80917,412
22:0069.3%20.1 min8,7418,971
23:0082.2%10.0 min2,7402,802

Day of week

On-time departures Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday75.0%16.5 min45,54646,924
Tuesday82.8%8.8 min33,60534,163
Wednesday83.7%7.5 min33,53633,934
Thursday77.0%14.4 min44,95845,700
Friday76.2%15.2 min45,52946,455
Saturday77.7%12.9 min38,55139,419
Sunday73.6%18.2 min45,35747,121

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

On-time departures Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: domestic flights only

Hover, tap or focus a point to see its value, sample and source.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan78.0%11.3 min28,03029,459
Feb76.8%14.0 min26,64427,744
Mar71.8%19.7 min31,22032,780
Apr78.0%13.0 min28,33928,772
May76.6%16.2 min17,82818,098
Jun76.3%15.7 min17,38117,623
Jul75.8%16.9 min16,97817,307
Aug78.3%13.8 min17,06217,155
Sep82.9%9.7 min14,92815,058
Oct83.4%8.3 min27,82128,006
Nov82.8%8.6 min30,92731,252
Dec72.0%18.8 min29,92430,462

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 75.8% 222,694
  • Delayed >15 min 21.9% 64,388
  • Cancelled 2.3% 6,634
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Environment

Jet fuel consumed

Every gallon the airline reports to the US Department of Transportation (airline fuel cost and consumption report) — all scheduled and charter flights, domestic and international.

In June 2026, Spirit Airlines consumed 0 US gallons of fuel (0 on domestic and 0 on international flights), according to the US Bureau of Transportation Statistics — about 0 tonnes of CO₂.

The most recent periods18 periods
PeriodUS gallons of fuel 2025US gallons of fuel 2026Change vs last year
January37,421,53326,099,844▼ 30.3%
February33,006,30824,762,611▼ 25.0%
March40,659,13127,993,400▼ 31.2%
April37,308,84322,537,392▼ 39.6%
May36,311,105643,694▼ 98.2%
June36,384,3170▼ 100.0%
July37,015,544––
August36,622,718––
September31,412,906––
October30,038,816–in progress
November25,021,746––
December28,215,118––
Year to date (Jan–Jun)221,091,237102,036,941▼ 53.8%

CO₂ is self-computed: gallons × 9.75 kg, the EPA emission factor for kerosene-type jet fuel. The fuel figure itself is as reported.

US BTS — Airline fuel cost and consumption

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