Heavy fog has stopped some flights in and out of Christchurch Airport tonight.
The Christchurch International Airport released an alert just before 9pm tonight, warning passengers to check with their airline for updates.
The airport's website shows a number of scheduled domestic flights have been affected.
A flight from Blenheim, four from Auckland and two from Wellington - which were all due to land in Christchurch tonight have been cancelled due to the conditions.
A Jetstar flight from Auckland, scheduled to touch down just before 1am has been delayed.