Airlines Cut Flights as Strait of Hormuz Closure More Than Doubles Jet Fuel Prices

Key Point

Airlines are cutting schedules after the effective closure of the Strait of Hormuz pushed jet fuel prices to more than double nearly eight weeks after U.S. and Israeli strikes on Iran. Lufthansa Group said on Thursday it will scrap 20,000 short-haul departures through October, while Cathay Pacific said it will trim about 2% of scheduled passenger flights between May 16 and June 30. American warned investors that its fuel bill will rise by $4 billion over 2026, and Delta flagged an additional $2 billion hit in the second quarter alone. IEA Director Fatih Birol warned that Europe has about six weeks of jet fuel stocks left, and Kpler analyst Matt Smith said relief may not come until at least July.

Why it matters: A prolonged chokepoint disruption could keep transport costs high and extend pressure from energy markets into tourism, consumer spending, and broader risk sentiment.

Market Sentiment

Cautiously Bearish, Risk-off, Macro-driven, De-risking.

Reason: The effective closure of the Strait of Hormuz has pushed jet fuel prices to more than double, which points to a wider energy-cost shock rather than an isolated airline problem.

Similar Past Cases

The 2021 Suez Canal blockage delayed about $400 million of goods an hour and disrupted oil and refined fuel flows through one of the world's key trade routes. (CNBC) (cnbc.com) The current case differs because the Hormuz disruption has lasted for weeks and is feeding directly into airline schedule cuts ahead of peak summer travel.

Ripple Effect

The first transmission channel is energy, because higher jet fuel costs can force more airlines to cut capacity and raise fares. If schedule reductions spread beyond the carriers already trimming flights, then the shock would be moving from fuel markets into consumer demand and tourism revenue. A longer squeeze on aviation can also pressure economies that rely on summer travel activity.

Opportunities & Risks

Opportunities: If airline capacity guidance stops worsening and fuel pressure begins to ease by July, then that would be a signal that travel-sensitive demand is stabilizing. Adding exposure only after schedule cuts level off would reduce the risk of buying into a still-rising cost shock.

Risks: If the Strait of Hormuz disruption extends deeper into peak season, then fewer seats and higher fares could keep pressure on travel demand and airline margins. Reducing exposure to travel-linked risk would limit downside if fuel costs keep forcing more cancellations.