Delta Air LinesMEX:DAL +4.98%73 PB Ratio is 2.84 as of Jun. 25, 2026, which is 1% above its 10-year median of 2.81. GuruFocus rates MEX:DAL with a GF Score™ of 73/100 and a GF Value™ of MXN949.09 (Significantly Overvalued). The stock has 10 warning signs investors should review. Among 971 Transportation companies, Delta Air Lines ranks worse than 82.29% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-06-25), Delta Air Lines's share price is MXN1590.00. Delta Air Lines's Book Value per Share for the quarter that ended in Mar. 2026 was MXN559.27. Hence, Delta Air Lines's PB Ratio of today is 2.84.
Warning Sign:
Delta Air Lines Inc stock PB Ratio (=2.92) is close to 2-year high of 3.05.
The historical rank and industry rank for Delta Air Lines's PB Ratio or its related term are showing as below:
MEX:DAL'
s PB Ratio Range Over the Past 10 Years
Min: 0.86 Med: 2.81 Max: 65.34
Current: 2.92
During the past 13 years, Delta Air Lines's highest PB Ratio was 65.34. The lowest was 0.86. And the median was 2.81.
MEX:DAL's PB Ratio is ranked worse than 82.29% of 971
companies
in the Transportation industry
Industry Median: 1.25
vs MEX:DAL: 2.92
During the past 12 months, Delta Air Lines's average Book Value Per Share Growth Rate was 31.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 46.00% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 65.00% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 2.50% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Delta Air Lines was 133.40% per year. The lowest was -134.90% per year. And the median was 7.10% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Delta Air Lines PB Ratio Related Terms
Delta Air Lines PB Ratio Historical Data
* Premium members only.
The historical data trend for Delta Air Lines's PB Ratio 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 PB Ratio, along with its competitors' market caps and PB Ratio 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 PB Ratio vs Transportation Industry
For the Transportation industry and Industrials sector, Delta Air Lines's PB Ratio distribution charts can be found below:
* The bar in red indicates where Delta Air Lines's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Delta Air Lines's PB Ratio for today is calculated as follows:
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Delta Air Lines (MEX:DAL) has a PB Ratio of 2.84 as of Jun. 25, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Delta Air Lines and its competitors. This is near median its historical median of 2.81. Over the past decade, Delta Air Lines' PB Ratio has ranged from 0.86 to 65.34. According to the industry distribution chart, Delta Air Lines ranks #799 out of 971 companies in the Transportation industry, placing it in the top 82.3%.
Is Delta Air Lines' PB Ratio too high?
Delta Air Lines' current PB Ratio of 2.84 is near median its 10-year median of 2.81. Over the past 10 years, this metric has ranged from a low of 0.86 to a high of 65.34. The Transportation industry median PB Ratio is 1.25. Delta Air Lines' value of 2.84 is 127.2% above this industry median. Based on the distribution chart, Delta Air Lines ranks #799 out of 971 companies in the Transportation industry, which is in the bottom quartile relative to peers. Overall, Delta Air Lines has a GF Score™ of 73/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Delta Air Lines' PB Ratio compare to UAL and LUV?
According to the Transportation industry distribution chart, Delta Air Lines ranks #799 out of 971 companies for PB Ratio. This places Delta Air Lines in the lower half of its industry. The industry median PB Ratio is 1.25. Delta Air Lines' value of 2.84 is 127.2% above this benchmark. Historically, Delta Air Lines' own PB Ratio has ranged from 0.86 to 65.34 over the past decade. While the company's 10-year median is 2.81 vs. the industry median of 1.25, 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 PB Ratio for a Transportation company?
The median PB Ratio among Transportation companies is 1.25, based on 971 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Delta Air Lines's current PB Ratio of 2.84 is 127.2% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Delta Air Lines and its competitors. For the Transportation industry, the median PB Ratio is 1.25 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Delta Air Lines's current PB Ratio is 2.84, which is near median its own 10-year median of 2.81. 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 (MEX:DAL) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN949.09, compared to a current price of MXN1,590.00 — trading 67.5% above its estimated fair value. The current PB Ratio is 2.84, which is near median its 10-year median of 2.81 and 127.2% above the Transportation industry median of 1.25. Delta Air Lines' overall GF Score™ is 73/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Delta Air Lines (MEX:DAL), the current PB Ratio is 2.84 as of Jun. 25, 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 (MEX:DAL) Overvalued in 2026?
Based on GuruFocus' analysis, Delta Air Lines stock appears to be overvalued.
The current stock price of MXN1,590.00 is trading 67.5% above its estimated GF Value™ of MXN949.09.
GuruFocus considers Delta Air Lines to be Significantly Overvalued.
Key valuation signals for MEX:DAL:
PB Ratio: 2.84 (near median its 10-year median of 2.81)
GF Value™: MXN949.09 vs. price of MXN1,590.00 (67.5% above fair value)
Industry Position: 127.2% above the Transportation median (#799 of 971)
No single metric tells the full story. See the MEX: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.
73GF Score
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