American Airlines, United Airlines, and Southwest Airlines are adjusting their flight schedules in response to a recent surge in fuel prices, executives announced Wednesday. The increase in fuel costs is threatening airline profitability and has prompted the carriers to reconsider some of their planned operations.

Since the outbreak of the conflict involving Iran, the U.S. airline industry has managed to mitigate the impact of rising fuel expenses through a combination of tighter capacity management, sustained passenger demand, and elevated ticket prices. Airline officials emphasized that strong demand has so far helped offset much of the additional fuel costs.

However, the latest spike in fuel prices is forcing these airlines to reevaluate certain routes, particularly those with lower profit margins, for the remainder of this year and potentially into 2027. American Airlines reported that the most recent fuel price increase is expected to add approximately $1 billion to its costs in the fourth quarter. United Airlines also indicated that some flights scheduled for December will be canceled due to these rising expenses.

Southwest Airlines, while confirming scaling back some planned flights, did not disclose specific figures related to fuel cost impacts or route adjustments. Overall, industry leaders are signaling increased caution amid volatile fuel markets, balancing the need to maintain network connectivity with the imperative to protect financial performance.