Delta Air Lines Inc. announced on Dec. 8 that it has transported 2 million passengers on its Africa services including direct flights from the U.S. to seven African cities in six countries.

“Africa remains a key part of Delta’s international network strategy and we look forward to expanding our operations with service to Luanda starting in January next year,” Perry Cantarutti, Delta’s senior vice president for Europe, Middle East and Africa, said in a news release. Luanda is the capital and largest city in Angola.

Delta launched its first African services in December 2006. Since then it has grown its operations in Africa from 22 weekly departures to more than 60 planned by January 2011.

According to the release, Delta has transported 647,205 passengers to and from Senegal; 465,173 passengers to and from South Africa; 333,573 passengers to and from Nigeria; 322,457 passengers to and from Ghana; 235,451 passengers to and from Egypt and 1,047 passengers to and from Liberia over the past four years.

Delta’s African services are as follows:

Johannesburg Atlanta – daily nonstop service since June 2009 – (via Dakar launched December 2006)

Lagos, Nigeria – Atlanta  six weekly nonstop services – launched December 2007

Abuja, Nigeria – Atlanta via Accra two weekly services – launched June 2009

Accra, Ghana – New York JFK four weekly nonstop services – launched December 2006•    Accra, Ghana – Atlanta nonstop three weekly nonstop services – launched June 2010

Dakar, Senegal – New York JFK three weekly nonstop services – launched June 2008

Cairo, Egypt – New York JFK daily nonstop services – launched June 2008

Monrovia, Liberia – Atlanta via Accra – one weekly service – launched September 2010