United Airlines Boeing 777-200 lifting off in the distinctive new 'evo-blue' livery.

A United Airlines Boeing 777-200 climbs out on departure in the airline's Evo Blue livery, illustrating the power and presence of this iconic long-haul twinjet.

A B777 seen from below as it cruises overhead.

A silhouette of a British Airways B777 flying overhead through cloudy skies.

British Airways Boeing 777-200ER (G-VIIM) on approach, captured from below against a clear sky.

British Airways Boeing 777-200 (G-VIIH) on approach, showing the airline's iconic Chatham Dockyard tail and distinctive shape against a clear afternoon sky.

British Airways Boeing 777-200ER (G-YMMU) in rare oneworld alliance livery seen on final approach.

A United Airlines Boeing 777-200 climbs out in the airline\'s modern blue livery against a clear sky.

A United Airlines Boeing 777 cruising overhead on a clear day, viewed from below through tree branches.

KLM Boeing 777-200ER (PH-BQG) on final approach, showing iconic KLM livery and distinctive raked wingtips.

KLM Asia Boeing 777-200ER PH-BQN on approach, featuring the rare KLM Asia livery used for flights to Taiwan.

United’s B777-200ER in Lisbon with the two different liveries, the standard on and the Star Alliance livery

KLM Asia Boeing 777-200ER majestically lifting off in the mist—note the special KLM Asia branding for flights to Taiwan.

United’s triple 7 with the Star Alliance livery, spotted in Lisbon

This triple 7 is one of the Brazilian airline Azul flights, operated by the Portuguese airline Euro Atlantic, for flights from Campinas to Lisbon.

Spotted landing on 08R

United taking off IAH runway 15L

IAH takeoff runway 15L

United Airlines Boeing 777-222 (N797UA) in the Star Alliance livery, spotted taxiing at San Francisco International Airport.

United Airlines Boeing 777-200 (N201UA) at the gate in the new blue globe livery, seen during ground operations.