- The experience of flying with United Airlines LHR Terminal was not entirely positive. Passengers received efficient assistance from friendly workers throughout a seamless check-in process. The procedure was stress-free because security lines moved swiftly. Although it might use more seats during busy times, the United Club lounge was cozy and had good food and drink options. The staff was polite and the boarding process was well-organized. However, some statements were unclear, and the gate area felt packed. Although the experience was good overall, it might be even better with better communication and space management. Because of United's effectiveness and amiable staff, I would think about taking a flight from LHR once more.