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Allegiant Air

In 2025 Allegiant Air flew 70.3 passenger-miles per gallon of jet fuel, ranking 5 of 13. That is 4% better than the all-airline figure that year. Since 2005 its figure has risen 44%.

70.3passenger-miles per gallon, 2025
0.139 kgCO2 per passenger-mile, 2025
83%of seats filled, 2025
243 milliongallons of jet fuel burned in scheduled passenger flying, 2025
Allegiant Air: passenger-miles per gallon by yearLine chart of Allegiant Air passenger-miles per gallon of fuel from 2005 to 2025, with the all-airline average for comparison.405060708020052010201520202025Passenger-miles per gallonAllegiant AirAll airlines
Allegiant Air against the all-airline figure, 2005 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 70.3 0.139 85.2 82.5% 18.6 243 2,366
2024 70.3 0.139 83.5 84.2% 16.9 219 2,136
2023 72.1 0.135 83.4 86.5% 17.3 218 2,127
2022 72.1 0.135 84.3 85.5% 16.7 212 2,072
2021 60.6 0.161 85.6 70.8% 13.6 199 1,939
2020 52.8 0.185 88.0 60.0% 8.6 146 1,419
2019 69.6 0.140 82.5 84.4% 14.9 189 1,839
2018 66.5 0.147 78.0 85.3% 13.7 184 1,792
2017 61.5 0.159 73.1 84.1% 12.2 179 1,743
2016 61.7 0.158 72.2 85.5% 11.1 165 1,610
2015 61.5 0.159 70.8 86.8% 9.4 144 1,408
2014 63.4 0.154 71.1 89.3% 8.1 122 1,191
2013 60.7 0.161 68.3 88.9% 7.1 115 1,125
2012 57.5 0.170 64.2 89.5% 6.6 108 1,058
2011 55.0 0.177 60.0 91.7% 5.8 96 939
2010 54.0 0.180 59.5 90.8% 5.6 96 939
2009 53.9 0.181 59.5 90.4% 4.9 83 810
2008 52.8 0.185 58.6 90.0% 3.9 66 645
2007 49.2 0.198 59.3 83.1% 3.0 58 562
2006 48.8 0.200 60.4 80.7% 1.9 41 399
2005 48.9 0.199 61.4 79.7% 1.0 21 208

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