Around 200 flights moving through Melbourne and Perth Airports were forecast to experience delays, according to a daily plan issued by Airservices Australia.In Sydney, 138 flights were expected to be impacted by ground delays of around 43 minutes, in part due to strong winds, the government-owned air traffic management organisation said.Rob Sharp, CEO of Airservices Australia, acknowledged that flight delays and disruptions can cause "very high frustration levels" for passengers, airlines and airport partners alike.Behind the scenes, delays are often used to ensure public safety is not compromised during what Sharp described as a "challenging period" for air traffic controllers."We do this through effectively putting space between aircraft This area is managed 24 hours a day, 365 days a year, Airservices Australia said.Federal Transport Minister Catherine King believes the work of air traffic controllers is a "really stressful and difficult job"."If you've been in an air traffic control tower, you've seen the number of flights they are managing, the complexities in how quickly they have to think