European carriers have, to date, shown greater restraint than many expected in trimming near-term flying schedules despite a roughly 70% jump in jet fuel costs since the war began. Still, analysts at Bernstein argue the threat of capacity reductions this coming winter remains real.
Bernstein identifies two principal drivers that could push airlines toward cutting capacity as colder months arrive: a fall in baseline contribution margins and a staggered roll-off of historically cheaper fuel hedges.
On margins, the analysts note that higher fuel prices have reduced the profitability of flights that are normally lucrative during the busy summer period. "Airline profitability is highly seasonal, with higher demand in the summer pushing up unit revenues without a corresponding rise in unit cost," they wrote. The analysts add that stronger asset productivity during the summer may mean some services remain worth operating even with squeezed margins. By contrast, they caution that winter schedules could become "altogether uneconomic."
The second pressure point is hedging. European carriers typically build their fuel hedges over an 18-month window, which tends to blunt swings in operating costs. But the analysts stress that the cheaper hedges put on before the war will progressively expire, removing a buffer that has allowed some strategically important - and sometimes loss-making - flying to continue.
"We dispute the logic that fuel is cheaper by hedging (the derivative is separate; fuel itself costs the spot price), but hedges are, for now, providing a cushion for airlines for strategic (read: unprofitable) flying," the analysts said, adding that even this cushion can be expected to deflate by winter.
Bernstein expects the brunt of any capacity reductions to fall on short- and medium-haul routes, where costs are more variable and contribution margins are lower. Those regional and intra-European services are therefore more vulnerable than longer-haul operations in a higher-fuel-price environment.
The analysts also warn of more severe outcomes if conditions deteriorate further. "Airlines, for now, appear inclined to battle for market share. If fuel prices do not improve and / or willingness to pay eases, the weaker ones may be forced to cut… Or fail altogether" - a scenario that would remove capacity from the system and shift competitive dynamics.
By contrast, carriers with robust unit economics and healthy balance sheets should be best positioned to navigate the tougher winter market and potentially capture share. The analysis highlights International Consolidated Airlines Group (IAG - LON: ICAG) and Ryanair (NASDAQ: RYAAY) as examples of airlines that, owing to stronger fundamentals, would be relatively well-placed to benefit from any market consolidation.
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The outlook set out by Bernstein underscores a sequence of near-term risks for the airline sector: fading hedge protection, seasonal profit erosion, and the prospect of demand softening. How carriers respond - whether by defending market share or paring capacity - will shape capacity and competitive patterns through the winter.