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Delta Airlines lowers its annual profit forecast due to an expected increase in fuel costs to $6 billion. The CEO stated that ticket prices have risen by about 20% this year, with limited passenger resistance. Analysts warn that maintaining high ticket prices in 2027 is critical for improving profitability. The article includes comments from the earnings call and analyst remarks. Rajesh Kumar Singh/Shivansh Tiwary, Reuters Chicago, October 9 - Delta Airlines (DAL.N) said on Friday that, despite strong travel demand and rising ticket prices, soaring fuel costs have forced it to cut its 2026 profit expectations by nearly a quarter. So, the airline industry may need to further limit flight growth next year to protect profitability. This warning highlights the increasingly tough challenges faced by U.S. airlines. While strong demand and restricted seat growth have allowed airlines to significantly raise ticket prices and offset higher fuel costs, aggressively increasing flights to capture more demand may intensify competition, making it harder to maintain high fares and protect profits. Based in Atlanta, Delta now expects its annual fuel expenditure to increase by about $6 billion compared to last year—about $2 billion higher than its July forecast—due to the Iran war (link) causing global jet fuel prices to spike. Airlines worldwide are preparing for a prolonged fuel shock. Michael O’Leary, CEO of Ryanair Group RYA.I, said Thursday that high jet fuel prices could persist for another 12-18 months (link), adding more pressure on airlines to raise fares and control costs. https://www.reuters.com/graphics/AUTOMATED-20261008/A4A-JET-FUEL-DAILY-1Y/xmpjwjnmbvr/chart.png “In a high-cost environment, you can’t simply grow your way out,” Delta CEO Ed Bastian said on the earnings call. He noted that the industry has already taken steps to restrict capacity, but more measures will be needed next year to improve profitability. Bastian said Delta raised ticket prices about 20% this year, and passenger resistance has been limited. He is confident that even if fuel costs eventually drop, the high fares can still be maintained. Delta lowered its adjusted annual earnings per share forecast from the July prediction of $6.50-$7.50 to $5.10-$5.60. According to LSEG data, the midpoint of the new range is below analysts’ average expectation of $5.46. Third-quarter adjusted earnings per share were $1.72, four cents below analysts’ average forecast. In midday trading, shares of Delta dropped 1.7%, United Airlines UAL.O fell 1.4%, and both American Airlines AAL.O and Southwest Airlines LUV.N were down about 1%. Delta partly shields itself from rising fuel costs by owning a refinery outside Philadelphia (link), which is expected to generate over $700 million in profits this year. Even with this buffer, the airline expects its fourth-quarter fuel price to rise from $3.61 per gallon in Q3 to $4.25 per gallon. Delta forecasts adjusted fourth-quarter earnings per share to be between $1.15-$1.65, with the $1.40 midpoint roughly matching analysts’ average expectation of $1.39. Fare increases Government data shows that in the first eight months of 2026, U.S. airlines spent $42.9 billion on fuel, an increase of $13.2 billion compared to the same period last year despite slightly reduced consumption. According to the U.S. Bureau of Labor Statistics, strong demand and limited seat growth pushed average U.S. airline ticket prices up by about 25% year-on-year between April and August. https://www.reuters.com/graphics/USA-AIRLINES/FUEL/lbpgdnbzwvq/chart.png Analysts at Melius Research said that despite surging fuel costs, Delta’s ability to raise fares helps keep second-half profits roughly stable. Still, they warn that the company’s profit margin has struggled to improve over the years. “It is critical for margin improvement to maintain or raise fares in 2027,” they wrote in their research report. With industry capacity growth expected to accelerate in Q4, this challenge will likely become even tougher. Deutsche Bank analysts expect the proportion of fuel costs recouped through revenue measures to fall in Q4 and predict full recovery won’t happen until early 2027. Bastian noted that low industry returns are another reason for limiting capacity growth. He said Delta will be cautious with its 2027 capacity plan until the fuel price outlook becomes clearer. He added that international routes may account for a larger share of Delta’s capacity expansion compared to domestic routes. Currently, Delta says its premium cabins and corporate travel business remain strong, and its economy cabin business is gradually improving. With Q4 ticket bookings already exceeding 60%, Delta expects revenue to increase about 20% year-on-year, despite limited capacity growth. Executives said early booking trends for Q1 2027 are also encouraging. (For the convenience of non-native English speakers, Reuters automatically translates its reports into several