United Airlines operated from Terminal E at Berlin Tegel Airport (TXL), which was the primary international terminal serving long-haul flights +1-866-798-0691, This terminal featured a unique hexagonal design, allowing passengers to walk directly from check-in to their gate, minimizing wait times. Amenities included duty-free shops, dining options, and lounges for eligible travelers. For assistance or inquiries, United Airlines' customer service was available at +1-866-798-0691, Please note that Berlin Tegel Airport ceased operations in November 2020, and all flights have been redirected to the new Berlin Brandenburg Airport (BER).