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United Airlines Seasonality

Historical month-by-month and year-by-year returns

Based on 21 calendar years of monthly closes, starting 2006.

By Month

MonthAverageMedian% PositiveBestWorst
January+1.7%+0.5%55%+29.9%15.7%
February+0.1%+0.3%50%+40.2%48.0%
March4.0%0.7%48%+19.8%48.8%
April3.1%1.0%33%+11.4%30.8%
May+0.9%+3.0%57%+27.6%42.7%
June3.4%3.3%43%+23.4%38.9%
July+4.1%+5.0%57%+59.2%22.4%
August+3.1%1.4%45%+51.2%18.3%
September+3.0%+2.1%55%+48.0%20.9%
October+8.9%+2.8%55%+65.6%29.4%
November+6.5%+8.3%70%+33.0%22.7%
December+3.4%+3.2%60%+66.4%14.6%

By Calendar Year

YearReturn
2025+15.2%
2024+135.3%
2023+9.4%
202213.9%
2021+1.2%
202050.9%
2019+5.2%
2018+24.2%
20177.5%
2016+27.2%
201514.3%
2014+76.8%
2013+61.8%
2012+23.9%
201120.8%
2010+84.5%
2009+17.2%
200869.1%
200719.0%
2006+24.0%

These are historical patterns, not a forecast — past calendar-month performance does not predict future returns.