Cape Town to Johannesburg pair named the busiest domestic route in Africa with nearly 3.5 million passengers

The air link between Cape Town International and Oliver R. Tambo Airport in Johannesburg is Africa's busiest domestic route with 3.4 million passengers in 2025, according to IATA's World Air Transport Statistics. Asia Pacific dominates global rankings, with Jeju-Seoul remaining the most popular route at 13.3 million passengers. Premium-class travel grew 4.5% to 109.7 million passengers in 2025.