The already fast-growing Nigerian carrier linked Lagos to 8 cities, with extra connections between the Federal capital, Abuja, and the important oil ports of the southern Delta, Port Harcourt (misspelled above) and Calabar.
A more recent and much slicker cartography is displayed on Arik's own website (posted recently here), which shows a wider network domestically--but still almost entirely centered around Lagos and Abuja, although the airline now stretches from New York to Johannesburg.