Johannesburg - The Airports Company of SA (Acsa) said total revenues grew by 12% to R3.5bn, when it released its annual financial results on Monday.
This resulted in a positive increase in normalised earnings before interest, tax, depreciation and amortisation (Ebitda) of 6% to R1.85bn.
As in the prior year, traffic had continued to decline, but at a reduced rate.
Passenger numbers decreased by 1.7% compared with a decline of 7.7% the previous year.
Domestic traffic - which constituted 70% of passenger traffic - contracted by 2.1%, while international passengers declined by 0.9% compared to a decrease of 0.7% a year ago.
Aircraft landings declined by 1.7% compared to a decline of 3.8% a year earlier.
The company said it had remained resilient during the 2009/10 financial year despite the challenging operating environment.