GOLD Coasters planning to fly somewhere on Friday are being urged to check with their airline first.
Heavy fog at Melbourne Airport has forced some flights out of the Coolangatta to either be cancelled altogether or delayed.
Some Jetstar, Tigerair and Virgin flights from the Gold Coast to Melbourne have been put back by about an hour.
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International flights into the misty city have been diverted to other cities.
The fog is expected to clear by lunchtime.