Thousands of flights were grounded after an air traffic control failure in the UK. Reports link the problem to flight data from a military jet. That triggered the system. The head of NATS faces backlash over a pay package worth 1.5 million pounds. The failure caused major travel problems. Passengers faced cancellations and delays around the nation, leaving plenty of passengers stuck.
Separately, Sydney Airport had flight disruptions. The disruptions were caused by an air traffic controller shortage. The disruptions brought long waits for travellers there as well.