Delta Air Lines (DAL) traded lower after a broad airline selloff tied to rising energy costs, with investors refocusing on how quickly higher oil and jet fuel prices can pressure near-term margins. Sector sentiment has been sensitive to fuel volatility in recent weeks, and the latest leg higher in fuel expectations is again weighing on carriers’ earnings power. (spglobal.com)

Fuel is one of the largest variable costs for airlines, and the market’s current concern is that a fast move in jet fuel can hit profitability before fare increases fully flow through. Delta itself highlighted that it met March-quarter earnings guidance despite a sharp run-up in March fuel prices, underscoring how prominent fuel has become in the near-term narrative for the stock. (ir.delta.com)

Investors will focus on whether fuel remains elevated through the June quarter and whether carriers can offset the headwind via pricing, capacity discipline, and operational initiatives. For Delta specifically, attention is on any commentary around fuel sensitivity and the contribution from its refinery as jet-fuel markets tighten. (ir.delta.com)