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Spirit Airlines

In 2025 Spirit Airlines flew 76.5 passenger-miles per gallon of jet fuel, ranking 3 of 13. That is 13% better than the all-airline figure that year. Since 2000 its figure has risen 85%.

76.5passenger-miles per gallon, 2025
0.127 kgCO2 per passenger-mile, 2025
78%of seats filled, 2025
409 milliongallons of jet fuel burned in scheduled passenger flying, 2025
Spirit Airlines: passenger-miles per gallon by yearLine chart of Spirit Airlines passenger-miles per gallon of fuel from 2000 to 2025, with the all-airline average for comparison.304050607080200020052010201520202025Passenger-miles per gallonSpirit AirlinesAll airlines
Spirit Airlines against the all-airline figure, 2000 to 2025.

Year by year

YearPassenger-miles per gallonkg CO2 per passenger-mileSeat-miles per gallonLoad factorPassengers (millions)Fuel (million gallons)CO2 (thousand tonnes)
2025 76.5 0.127 97.6 78.4% 32.0 409 3,992
2024 79.2 0.123 96.1 82.4% 44.2 552 5,380
2023 76.3 0.128 93.9 81.3% 44.1 593 5,778
2022 75.4 0.129 92.1 81.9% 38.5 527 5,141
2021 73.8 0.132 93.7 78.8% 30.8 435 4,243
2020 66.7 0.146 96.5 69.1% 18.4 289 2,822
2019 74.8 0.130 88.8 84.3% 34.5 471 4,592
2018 74.2 0.131 88.0 84.3% 29.3 412 4,020
2017 71.3 0.137 85.8 83.2% 24.2 345 3,363
2016 72.5 0.135 86.1 84.2% 21.6 298 2,903
2015 70.9 0.138 84.1 84.3% 17.9 254 2,476
2014 70.6 0.138 81.8 86.3% 14.3 200 1,955
2013 69.8 0.140 80.5 86.7% 12.4 172 1,676
2012 67.3 0.145 79.0 85.2% 10.4 143 1,394
2011 67.3 0.145 78.6 85.6% 8.5 119 1,160
2010 62.1 0.157 75.8 82.0% 6.9 107 1,040
2009 61.3 0.159 77.2 79.5% 6.2 97 944
2008 60.2 0.162 75.0 80.3% 7.0 110 1,068
2007 60.3 0.162 74.7 80.7% 7.0 114 1,108
2006 54.9 0.177 66.9 82.1% 5.0 83 809
2005 49.0 0.199 61.3 80.0% 4.7 92 899
2004 44.1 0.221 56.7 77.8% 4.8 111 1,080
2003 49.9 0.196 63.2 79.0% 4.3 92 895
2002 43.9 0.222 59.8 73.4% 3.9 93 909
2001 43.9 0.222 59.5 73.7% 3.3 76 739
2000 41.4 0.235 57.0 72.6% 2.8 66 645

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