European airlines have reported strong results this quarter but have warned of a murky outlook as jet fuel prices, supply chain issues and a lack of economic clarity weigh. Wizz Air was also one of the main airlines hit by issues with RTX engines this year and had said it would face a capacity reduction as a result. The guidance reflects expectations for the second half of its financial year to March 31 in the face of macroeconomic uncertainty and difficult operating conditions from an infrastructure and security perspective, Chief Executive Jozsef Varadi said in a statement.