United Airlines Industrials | S&P 500 | UAL | | 2019 - 34,596,623 2020 - 15,660,450 2021 - 21,531,279 Fluctuating | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - 53,832 2020 - 26,667 2021 - 31,407 Fluctuating | 2019 - 1,972,200 2020 - 1,832,139 2021 - 2,502,157 Fluctuating | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - 4.26 2020 - 3.36 2021 - 4.53 Fluctuating |