Guidance surprise puts Delta Air Lines (DAL) earnings in focus

Delta Air Lines (DAL) lifted its full-year 2026 revenue, adjusted operating profit, and earnings guidance after reporting second-quarter results that topped expectations despite higher fuel costs and ongoing network adjustments.

Delta Air Lines’ 1 day share price return declined 3.49% to US$86.25. However, the 90 day share price return of 26.86% and 1 year total shareholder return of 63.24% point to momentum that has built alongside raised guidance and recent route adjustments.

If Delta’s move has you thinking about where else strong trends could emerge, this is a good moment to scan 19 top founder-led companies.

After Delta Air Lines’ strong run and the latest guidance lift, the stock now sits well below both analyst targets and intrinsic value estimates. So how much of a gap is really justified by the fundamentals here?

Most Popular Narrative: 36.4% Overvalued

Delta Air Lines last closed at $86.25, while the most followed narrative on the stock, according to PittTheYounger, points to a fair value of $63.21. That gap frames a very different view from today’s price and sets up a clear valuation debate.

Atlanta's home airline still shines bright, and indeed brighter than most in a notorious low-margin, low-profit industry. In its Q2 trading update, Delta once again trounced analysts' expectations both top and bottom line, yet there's a snag: The legacy carrier comes from all-time high profitability. Hence, the risk distribution is skewed to the downside as long as there's no final and reliable re-opening of the Strait of Hormuz.

Curious how this valuation view gets to a lower fair value than the current price. The narrative leans on specific revenue growth, margin assumptions and a future earnings multiple that all work together in a tight model. The full piece shows exactly how those moving parts combine into that $63.21 figure without relying on broad market optimism.

Result: Fair Value of $63.21 (OVERVALUED)

However, this view could shift quickly if Delta Air Lines faces a sharp drop in travel demand again, or if fuel and geopolitical risks compress margins faster than expected.

Another View: SWS DCF model points the other way

The PittTheYounger narrative lands on a fair value of $63.21 for Delta Air Lines, which suggests the stock is 36.4% overvalued versus the current $86.25 price. Our DCF model comes to a very different conclusion, with a future cash flow value of $229.04. This implies the shares are trading well below that estimate. When two methods disagree this sharply, which set of assumptions do you trust more?

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Delta Air Lines for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover 49 high quality undervalued stocks. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Next Steps

With such different views on Delta Air Lines already laid out, this is the moment to move quickly, review the numbers, and decide where you stand using the 3 key rewards and 2 important warning signs.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.