Delta Air LinesDAL

Retail sales grew broadly in August as back-to-school shopping helped offset the pressure of higher fuel prices. This is a helpful sign for Delta because it shows that households are still willing to spend even as the cost of living rises.

For a premium airline, this kind of consumer resilience is vital. Delta relies on people being willing to pay extra for first-class seats and spending on their co-branded credit cards, both of which require a healthy and active consumer base.

Source: Bloomberg Markets and Finance

Barclays nudged its price target down to $95 while keeping its overweight rating, which is a signal that they still expect the stock to perform better than the broader market. Even with the lower target, the firm still sees significant room for the stock to rise from its current price of about $79. This tweak is routine and does not change the overall positive view most analysts have on the company. The average target across all firms remains higher at $105.

Source: Barclays

Oil prices climbed after Saudi Arabia shut down its East-West pipeline following attacks last week. This pipeline is a critical backup route for moving oil when the Strait of Hormuz is blocked or unsafe. At the same time, talks to create a safe shipping lane in the region have been delayed.

Fuel is one of the largest costs for any airline. When global oil prices rise due to supply fears, it directly eats into the profit Delta makes on every ticket sold. While Delta has a more profitable loyalty business than most rivals, sustained high fuel prices still make it harder for the company to hit its debt-reduction goals.

Source: Bloomberg Markets and Finance

U.S. diesel prices have reached a record high, crossing 6 dollars a gallon. While Delta flies on jet fuel, diesel and jet fuel are both made from the same part of the oil barrel, so their prices usually move together. This rise adds to the pressure from crude oil prices that have already been climbing this week.

For a major airline, fuel is one of the two biggest costs alongside labor. When these costs spike quickly, it can eat into profits before the company has time to raise ticket prices. This is a trend to watch, as sustained high energy costs could weigh on the company's ability to hit its profit targets for the year.

Source: Bloomberg Markets and Finance

Oil prices reached their highest level in years as supply concerns grow following recent strikes in the Middle East. For an airline, fuel is one of the largest and most volatile costs, and a sustained jump in prices can quickly eat into profit margins if the company cannot pass those costs on to travelers through higher ticket prices.

While Delta has been shifting its business toward high-margin loyalty revenue and premium seating to protect itself from fuel swings, $105 oil is a significant burden. If prices stay at this level, it will likely force the company to rethink its spending or raise fares, which could test how much more its customers are willing to pay for travel.

Source: Bloomberg Markets and Finance

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