DAL (Delta Air Lines) PEG Ratio: N/A (As of Jun. 28, 2026)


DAL Delta Air Lines Inc DAL
79 GF Score
Price $92.57
GF Value $54.11
Valuation Significantly Overvalued
! 10 Warning Signs
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What is Delta Air Lines PEG Ratio?

PE Ratio without NRI / 5-Year EBITDA Growth Rate*

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, Delta Air Lines's PE Ratio without NRI is 15.28. Delta Air Lines's 5-Year EBITDA growth rate is 0.00%. Therefore, Delta Air Lines's PEG Ratio for today is N/A.

* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.


The historical rank and industry rank for Delta Air Lines's PEG Ratio or its related term are showing as below:


During the past 13 years, Delta Air Lines's highest PEG Ratio was 0.66. The lowest was 0.18. And the median was 0.37.


DAL's PEG Ratio is not ranked *
in the Transportation industry.
Industry Median: 1.165
* Ranked among companies with meaningful PEG Ratio only.

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Delta Air Lines  (NYSE:DAL) PEG Ratio Explanation

To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.


Delta Air Lines PEG Ratio Related Terms


Delta Air Lines PEG Ratio Historical Data

* Premium members only.

The historical data trend for Delta Air Lines's PEG 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.

Delta Air Lines PEG Ratio Chart

Delta Air Lines Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PEG Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Delta Air Lines Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
PEG Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

DAL vs UAL, LUV, AAL: PEG Ratio Comparison

For the Airlines subindustry, Delta Air Lines's PEG Ratio, along with its competitors' market caps and PEG 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 PEG Ratio vs Transportation Industry

For the Transportation industry and Industrials sector, Delta Air Lines's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Delta Air Lines's PEG Ratio falls into.


DAL
79GF Score
Delta Air Lines Inc DAL
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Delta Air Lines PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

Delta Air Lines's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=15.278098696154/0.00
=N/A

* 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.

* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.

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 $92.57 is trading 71.1% above its estimated GF Value™ of $54.11. GuruFocus considers Delta Air Lines to be Significantly Overvalued.

Key valuation signals for DAL:

  • PEG Ratio: N/A
  • GF Value™: $54.11 vs. price of $92.57 (71.1% above fair value)
  • GF Score™: 79/100 with 10 warning signs

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.


Delta Air Lines Business Description

Address Post Office Box 20706, Atlanta, GA, USA, 30320-6001
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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PEG Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$92.57
Price
$54.11
GF Value