Https://riversideca.gov/sites/default/files/webform/musueum/covid/Speaking%20with%20United%20Airlines%20Customer%C2%AE%EF%B8%8F%20USA%20Contact%20Numbers_%20Complete%202025%20Support%20Guide.pdf https://riversideca.gov/sites/default/files/webform/musueum/covid/Speaking%20with%20United%20Airlines%20Customer%C2%AE%EF%B8%8F%20USA%20Contact%20Numbers_%20Complete%202025%20Support%20Guide.pdf