Rising gasoline prices linked to the U.S.-Israeli war on Iran are emerging as a key headwind for U.S. restaurant operators, according to a Reuters report.

Several major chains have reported softer-than-expected sales growth and warned of continued pressure ahead. Average U.S. fuel prices have climbed to $4.43 per gallon, up nearly 40% year-over-year, with some markets such as California exceeding $6, tightening discretionary spending for many consumers.

Wingstop posted an 8.7% decline in same-store sales, citing fuel-driven cutbacks, while Domino's reported modest 0.9% growth and lowered its full-year outlook amid heightened promotional competition. Even brands that outperformed expectations, including Chipotle, struck a cautious tone, pointing to macroeconomic uncertainty tied to persistently high fuel costs.

Analysts expect additional weakness across the sector, with chains such as Shake Shack and Jack in the Box likely to report slowing growth. Wall Street sentiment has already shifted, with profit forecasts trending downward and the LSEG U.S. restaurant index falling 5% since the conflict began, wiping out more than $40 billion in market value.

Data suggests fuel prices above $4 per gallon represent a behavioral tipping point for consumers. Restaurant traffic declines accelerate beyond that threshold, with estimates indicating a potential 3% drop in visits if prices exceed $5. For operators, even incremental declines can materially impact revenue, particularly in drive-thru-heavy formats.

In response, many chains are leaning into value offerings to maintain traffic. Taco Bell has seen success with discounted menu options, while increased promotional activity across the sector is intensifying competition. At the same time, some brands, including Starbucks, are benefiting from a shift toward smaller, affordable indulgences as consumers trade down from higher-cost discretionary spending.

With McDonald's set to report earnings next, the industry will be watching closely for further signals on how sustained fuel price pressure is reshaping consumer behavior and restaurant performance, Reuters reported.

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