The threat to summer holidays looming with jet fuel shortages

Jet fuel prices in Europe surged from $831 per tonne in late February to a peak of $1,838 in early April, more than doubling after Middle East supply disruptions and the closure of the Strait of Hormuz. The IEA warned Europe may have only six weeks of jet fuel left, with reserves potentially hitting critical levels by June and physical shortages causing cancellations at select airports. Airlines are cutting summer capacity, raising fares, and lobbying for regulatory relief, while longer-term fixes such as greater refining capacity and SAF remain limited.

Analysis

The market is treating this as a clean fuel-cost story, but the bigger issue is network fragility: when inventories are this thin, marginal barrels stop being priced off economics and start being priced off airport priority. That creates a dispersion trade within aviation — hub-and-spoke carriers with schedule flexibility and stronger balance sheets can protect utilization, while carriers dependent on dense long-haul networks or thin secondary airports face a compounding hit from both higher CASM and disruption risk.

The second-order effect is that shortage risk is more important than price risk. If physical allocations tighten, airlines will not be able to simply pass through costs; they will be forced to cut capacity, which hurts revenue quality and unit costs simultaneously. That is a far more bearish setup for UAL than for carriers with stronger hedges, because the former can’t rely on fuel hedges to solve a volume problem once airport-level rationing starts.

There is also a policy overhang that could create a temporary relief rally without fixing the medium-term issue. Easing slot rules, tanker limits, and compensation burdens helps airlines preserve liquidity, but it also keeps flying unprofitable routes longer than it otherwise would be, delaying the necessary capacity reset. In that sense, regulation may soften the earnings miss in the next quarter while worsening competitive discipline into peak season.

The contrarian point: the consensus is underestimating how quickly the system can revert if the supply chain adapts. A few weeks of elevated Atlantic arbitrage, more product from non-Gulf refineries, and a normalizing geopolitical headline could sharply decompress jet fuel spreads even if crude stays firm. The tradeable window is therefore less about owning the macro price spike and more about owning the names with near-term exposure to schedule disruption before the market fully prices June/July cancellation risk.

Key Decisions for Investors

• Short UAL vs. long AC.TO into the next 4-8 weeks: UAL has the more abrupt downside from fuel pass-through limits and potential schedule cuts, while AC.TO’s stronger transatlantic network and hedge profile should make earnings revisions less convex to the shock.
• Buy short-dated UAL put spreads into the summer booking season (6-10 weeks tenor): target a move tied to guidance risk and possible operational disruption rather than fuel-price beta alone; risk/reward is attractive if cancellation headlines start to surface.
• Pair long well-hedged low-cost carriers against unhedged network airlines in Europe/US (for example, long a basket of WIZZ/RYA-like economics if accessible vs short UAL/IAG exposure): the spread should widen if jet fuel stays elevated and capacity discipline deepens.
• Avoid chasing airline longs on 'policy relief' headlines for the next 1-2 months: slot-rule changes and compensation exemptions may cushion sentiment, but they do not fix physical supply scarcity, so rallies are likely to fade on any operational miss.
• Watch for a tactical long in fuel suppliers/logistics beneficiaries only if spreads stay elevated for another 3-4 weeks; otherwise this is a better relative-value airline short than an absolute bullish energy trade.