Some flight delays are expected at Sydney Airport after the air traffic control tower was evacuated when smoke was detected in the facility.

Travellers flying out of Sydney have been asked to check their flight status before heading to the airport due to heavy storms.

Sydney Airport has taken out the capital city airport of the year award at the Australian Airports Association (AAA) national conference for a second straight year.

Tickets are now on sale for Sydney Airport's annual runway run to be held on November 25 that aims to raise money for Cure Cancer Australia.