The disruption comes as air services out of Auckland recover from the jet fuel pipeline rupture which forced airlines to cancel or re-route international flights from New Zealand and domestic services here last week.
No flights in and out of Sydney. Air traffic control issue. What a mess @SydneyAirport Hope fixed soon
The Australian problem has also hit as school holidays across the Tasman mean more travel by passengers who are voicing frustration about delays on social media.
Airways in this country said earlier the Auckland traffic peak may move to later in the day, depending on how long it takes to remediate the issue.
