Learn how to file a complaint with United Airlines :woman_cartwheeling:║‬‬‬‬‬‬‬‬⇠+1↯877**747↯7072)) ⊹║◍ for various issues, such as delayed or cancelled flights, denied boarding, baggage problems, and more. United Airlines main customer service number is 1-800- United Airlines :woman_cartwheeling:║‬...