Ryanair CEO Michael O'Leary is known for his outspoken comments.
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- Ryanair CEO Michael O'Leary called for the UK air traffic control boss to resign after flight chaos.
- Over 500 flights were delayed at London Gatwick and Heathrow due to bad weather and staff shortages.
- On Tuesday, London Gatwick Airport's CEO backed ATC chief Michael Rolfe to improve standards.
Ryanair CEO Michael O'Leary has called for the boss of UK air traffic control to resign in the wake of flight chaos.