Flight operations at the Mumbai Airport,halted for over an hour today due to poor visibility,resumed at 3 pm following improvement in weather conditions. Flight operations at the Mumbai Airport resumed at 15.01 hours, a Mumbai International Airport Limited (MIAL) spokesperson told PTI. Earlier,the Mumbai airport authorities had shut down operations due to poor visbility,which dropped to below 2,000 meters in the wake of unseasonal rains across the city.