At São Paulo-Guarulhos International , only 41 percent of flights leave on time . The airport is also a hub for the Brazilian Air Force and its air force base in Maceió. Hence the airport 's 2005 , Three Phase , US $ 100 million expansion project which has seen long delays ( something about the rain ) and has been spinning its tires somewhere in Phase Two for the last few years . While Jomo Kenyatta International in Nairobi is decent for Africa , it is one of the worst international hubs .
At São Paulo-Guarulhos International , only 41 percent of flights leave on time . The airport is also a hub for the Brazilian Air Force and its air force base in Maceió. While Jomo Kenyatta International in Nairobi is decent for Africa , it is one of the worst international hubs .