Northwest Airlines (NWA) was one of the major airlines of the United States. In 2008, it was acquired by, and merged into Delta Air Lines to create the world’s largest airline at the time. Northwest Airlines brand ceased to exist by 2010...
Pakistan International Airlines (PIA) is the flag carrier of Pakistan. PIA operates an extensive domestic, regional and long haul network from its three hubs in Karachi, Lahore and Islamabad.
Tatarstan Airlines was an airline of Russia based in Kazan in Tatarstan, which operated domestic and regional international services before its suspension in 2013.