Complex sentence: South African Airways (SAA) is the flag carrier and largest airline of South Africa, with headquarters in Airways Park on the grounds of OR Tambo International Airport in Kempton Park, Ekurhuleni, Gauteng.
Split into simpler sentences: South African Airways (SAA) is the flag carrier of South Africa. Its headquarters are in Airways Park on the grounds of OR Tambo International Airport in Kempton Park, Ekurhuleni, Gauteng.