Delta Air LinesDAL +4.53%79 OCF Margin % is 15.34% as of Mar. 2026, which is 20% above its 10-year median of 12.80. GuruFocus rates DAL with a GF Score™ of 79/100 and a GF Value™ of $54.11 (Significantly Overvalued). The stock has 10 warning signs investors should review. Among 1,006 Transportation companies, Delta Air Lines ranks worse than 50.3% on this metric.
The historical rank and industry rank for Delta Air Lines's OCF Margin % or its related term are showing as below:
DAL'
s OCF Margin % Range Over the Past 10 Years
Min: -22.19 Med: 12.8 Max: 18.29
Current: 12.88
During the past 13 years, the highest OCF Margin % of Delta Air Lines was 18.29%. The lowest was -22.19%. And the median was 12.80%.
DAL's OCF Margin % is ranked worse than 50.3% of 1006
companies
in the Transportation industry
Industry Median: 12.945
vs DAL: 12.88
Delta Air Lines OCF Margin % Related Terms
Delta Air Lines OCF Margin % Historical Data
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The historical data trend for Delta Air Lines's OCF Margin % can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Airlines subindustry, Delta Air Lines's OCF Margin %, along with its competitors' market caps and OCF Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Delta Air Lines OCF Margin % vs Transportation Industry
For the Transportation industry and Industrials sector, Delta Air Lines's OCF Margin % distribution charts can be found below:
* The bar in red indicates where Delta Air Lines's OCF Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Delta Air Lines (DAL) has a OCF Margin % of 15.34% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Delta Air Lines and its competitors. This is 20% above median its historical median of 12.80. According to the industry distribution chart, Delta Air Lines ranks #506 out of 1006 companies in the Transportation industry, placing it in the top 50.3%.
Is Delta Air Lines' OCF Margin % too high?
Delta Air Lines' current OCF Margin % of 15.34% is 20% above median its 10-year median of 12.80. The Transportation industry median OCF Margin % is 12.95. Delta Air Lines' value of 15.34% is 18.5% above this industry median. Based on the distribution chart, Delta Air Lines ranks #506 out of 1006 companies in the Transportation industry, which is below the industry midpoint. Overall, Delta Air Lines has a GF Score™ of 79/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Delta Air Lines' OCF Margin % compare to UAL and LUV?
According to the Transportation industry distribution chart, Delta Air Lines ranks #506 out of 1006 companies for OCF Margin %. This places Delta Air Lines in the lower half of its industry. The industry median OCF Margin % is 12.95. Delta Air Lines' value of 15.34% is 18.5% above this benchmark. While the company's 10-year median is 12.80 vs. the industry median of 12.95, Delta Air Lines has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Margin % for a Transportation company?
The median OCF Margin % among Transportation companies is 12.95, based on 1,006 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Delta Air Lines's current OCF Margin % of 15.34% is 18.5% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Delta Air Lines and its competitors. For the Transportation industry, the median OCF Margin % is 12.95 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Delta Air Lines's current OCF Margin % is 15.34%, which is 20% above median its own 10-year median of 12.80. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Delta Air Lines stock overvalued right now?
Based on GuruFocus' analysis, Delta Air Lines (DAL) is currently considered Significantly Overvalued. The stock's GF Value™ is $54.11, compared to a current price of $90.65 — trading 67.5% above its estimated fair value. The current OCF Margin % is 15.34%, which is 20% above median its 10-year median of 12.80 and 18.5% above the Transportation industry median of 12.95. Delta Air Lines' overall GF Score™ is 79/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Delta Air Lines (DAL), the current OCF Margin % is 15.34% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Delta Air Lines (DAL) Overvalued in 2026?
Based on GuruFocus' analysis, Delta Air Lines stock appears to be overvalued.
The current stock price of $90.65 is trading 67.5% above its estimated GF Value™ of $54.11.
GuruFocus considers Delta Air Lines to be Significantly Overvalued.
Key valuation signals for DAL:
OCF Margin %: 15.34% (20% above median its 10-year median of 12.80)
GF Value™: $54.11 vs. price of $90.65 (67.5% above fair value)
Industry Position: 18.5% above the Transportation median (#506 of 1006)
No single metric tells the full story. See the DAL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Atlanta-based Delta Air Lines is one of the world's largest airlines, with a network of over 300 destinations in more than 50 countries. Delta operates a hub-and-spoke network, where it gathers and distributes passengers across the globe through its biggest hubs in Atlanta, New York, Salt Lake City, Detroit, Seattle, and Minneapolis-St. Paul. Delta has historically earned most of its international revenue and profits from flying passengers over the Atlantic Ocean.
79GF Score
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