Thousands of flights were called off after an air traffic control failure in the UK. Reports link the problem to flight data associated with a military aircraft. That triggered the system. The head of NATS is facing criticism over a pay package worth 1.5 million pounds. The failure led to travel chaos. Passengers faced cancellations and delays around the nation, leaving many travellers stranded.
Separately, Sydney Airport saw flight disruptions. The disruptions were caused by an air traffic controller shortage. The disruptions led to delays for passengers in that city.