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Summer Skies Face a Fuel Squeeze

CNBCTuesday, April 21, 2026

A potential jet fuel shortage, sparked by Middle East tensions, is casting a shadow over summer travel plans, particularly for international flights. The blockade of Iranian ports near the Strait of Hormuz—a conduit for about a quarter of the world's jet fuel—has tightened global supplies. Europe's stockpiles, for instance, are reportedly down to about six weeks' worth.

While U.S. carriers are somewhat shielded by domestic production, airlines abroad are feeling the pressure. Some, like Cathay Pacific and Lufthansa, have begun modest schedule reductions, citing high fuel costs. 'It isn't necessarily bad news for your specific trip,' notes travel expert Katy Nastro of Going. 'But the longer this lasts, the more capacity cuts are likely.'

For travelers, preparation is key. Ensure your contact information is current with the airline to receive immediate alerts. If a flight is canceled, understand your rights: U.S. regulations generally entitle you to a refund if you decline an airline's alternative. Act quickly to explore rebooking options, and consider the value of a nonstop flight to reduce connection risks.

Travel insurance may offer a safety net, but policies vary widely. Read the details to know what's covered. As economist Stephen Rooney observes, the situation remains fluid. 'Six weeks is a long time,' he says, suggesting room for diplomatic resolution before peak season hits full stride.

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