United hopes to begin flying between Washington and Cape Town from November but will face competition for the available weekly frequencies under the US-South Africa air services agreement.
The carrier plans to begin accepting Dubai-bound passengers from three countries, as well as adding double-daily Airbus A380 service to Jordan during July and August.
An interline agreement with Airlink will allow travelers from Dubai to Cape Town and Johannesburg to go onwards to 45 destinations across the Southern Africa.