Europe’s airport slot rules should not be changed to protect legacy airlines, the head of European low cost carrier Wizz Air said on Thursday, adding that if a company could not operate its slots they should be made available to rivals. An easing of the “use it or lose it” rule has allowed legacy carriers to preserve airport access during the coronavirus crisis despite a sharp drop in traffic, sparking protests from low-cost rivals keen to expand into once-congested airports. “Leave the slot rules as they used to be prior to the pandemic and the market will sort it out,” Wizz Air CEO Jozsef Varadi told Reuters in an interview in Abu Dhabi. “We would be able to operate those slots at constrained airports so why are they protected for the benefit of legacy carriers who are incapable of operating them because they are inefficient?” Varadi said easing the rules …