Jet fuel prices are soaring, airlines enter "self-preservation mode," intensifying flight cancellations ahead of the busy summer season.

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The global aviation industry is experiencing a major capacity contraction triggered by a fuel crisis. Even before the peak summer season arrives, airlines have collectively entered "self-preservation mode."

According to aviation data analytics firm Cirium, global capacity in May has already been cut by about 3 percentage points, with only one of the top 20 airlines not reducing flights. The agency has lowered its full-year capacity forecast from a 4%-6% increase to "a possible 3% decline under certain conditions."

This crisis was initially limited to Middle Eastern airlines and their airspace, but after the U.S. Navy blockaded the Strait of Hormuz and cut off Iranian oil exports, the impact quickly spread worldwide.

On Thursday, KLM Royal Dutch Airlines announced the cancellation of 80 round-trip flights at Amsterdam Schiphol Airport over the next month, joining United Airlines, Lufthansa, and Cathay Pacific in making cuts. Cirium senior adviser Richard Evans stated bluntly in a report: "More cuts are almost a foregone conclusion."

From North America and Europe to Asia-Pacific, Airlines Shrink Across the Board

U.S. airlines are bearing the brunt of the impact. United Airlines will cut 5% of its annual capacity, with reductions continuing until September. Delta Air Lines will absorb an additional $2.5 billion in fuel costs this quarter, coping by raising prices and cutting about 3.5% of capacity. Delta CEO Ed Bastian said:

"Any marginal routes, or those failing to meet expected returns, could be reevaluated. This will be a test for the entire industry."

Lufthansa's actions this week were the most aggressive. Under the double pressure of strikes and the intensifying fuel crisis, Europe's largest airline directly shut down its CityLine regional subsidiary, grounded 27 CRJ regional jets, and retired some aging Boeing 747 and Airbus A340 wide-bodies. Group CFO Till Streichert claimed, "Given the sharp increase in aviation fuel costs and ongoing geopolitical instability, accelerating fleet and capacity adjustments is inevitable." Subsidiary Edelweiss also suspended its Denver and Seattle routes.

Pressure is also mounting in the Asia-Pacific region. Qantas will cut domestic capacity by 5% until the end of June and reduce U.S.-bound flights, anticipating an extra 800 million AUD ($575 million USD) in fuel costs for the second half of the financial year. Cathay Pacific will cut 2% of its Asia-Pacific flights from mid-May through the end of June, while its low-cost carrier HK Express will cut up to 6%. Cathay’s Chief Customer and Commercial Officer Lavinia Lau admitted:

"We have exhausted all appropriate means to maintain normal operations, but it’s still not enough to offset the sharply increased fuel costs."

A number of small and medium routes are also disappearing quickly. Air Canada canceled its Montreal and Toronto flights to New York JFK, retaining only Newark and LaGuardia routes. Norwegian low-cost carrier Norse Atlantic suspended all Los Angeles services. Virgin Atlantic cut its London to Riyadh route just one year after launch, and British Airways canceled its Jeddah flights. The Nigerian aviation industry warned it faces a "survival threat" and could suspend service within days. Fuel surcharges for long-haul round-trip tickets have reached as high as $400.

Supply Crisis: Only Six Weeks of Jet Fuel Left in Europe

Beyond soaring prices, fuel shortages are becoming an even more pressing threat.

The International Energy Agency (IEA) has warned that European jet fuel stocks are down to "about six weeks" remaining. Ryanair, Virgin Atlantic, and EasyJet estimates for fuel availability do not extend beyond mid-May. The European Union has indicated it may soon face supply issues and is preparing a joint action plan.

Iran said on Friday that the Strait is "completely open" to commercial transit, causing Brent crude oil to drop as much as 11%, offering brief relief to the market. However, the agreement remains fragile, and both sides continue to jockey for leverage—even if hostilities end soon, damaged infrastructure may require months or years to repair.

To Hedge or Not: Which Airlines Will Hold Out?

The fuel crisis has made divisions between airlines starkly apparent.

Most European airlines have adequate fuel hedges for the coming months, while U.S. airlines—the world's largest group by capacity—typically do not hedge, leaving them directly exposed to oil price shocks.

As global passengers begin booking their summer and autumn trips, they may find that many less popular destination routes have quietly vanished from airline maps. Goodbody analyst Dudley Shanley said:

"If jet fuel prices remain high for a long period, even more flights will be canceled."

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