LOW COST carriers are facing "unignorable" challenges despite this summer's travel boom, analysts have warned.

Wizz Air will report half-year results on Thursday. The period covers a record-breaking summer season for aviation, which saw airlines net bumper profits. But experts are counseling caution.

Airline share prices, like Wizz Air's, dipped in the last month, and several issues are threatening the post-pandemic party.

Supply chain problems have tempered Wizz Air's capacity forecasts, while a global oil price spike provoked by conflict in the Middle East has bumped up the cost of kerosene-based jet fuels.

Wizz Air slashed its capacity for the second half of the year by 10% over the summer, after issues were uncovered with the engines of some of its Airbus aircraft.

Yi Zhong, equity research analyst at Alphavalue, said, "low-cost carriers are facing unignorable external challenges."

He added: "Wizz Air largely relies on on-time aircraft delivery to realise its unparalleled expansion plans and further compress its cost base."

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