DAL (Delta Air Lines) Research & Development: $0 Mil (TTM As of Mar. 2026)


DAL Delta Air Lines Inc DAL
79 GF Score
Price $90.65
GF Value $54.11
Valuation Significantly Overvalued
! 10 Warning Signs
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What is Delta Air Lines Research & Development?

Delta Air Lines DAL +4.53% 79 Research & Development is $0 Mil as of Mar. 2026. 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.

Research & Development is the aggregate amount of research and development expenses during the year. Delta Air Lines's Research & Development for the three months ended in Mar. 2026 was $0 Mil. Its Research & Development for the trailing twelve months (TTM) ended in Mar. 2026 was $0 Mil.

Delta Air Lines  (NYSE:DAL) Research & Development Explanation

If competitive advantage is created by a patent or tech advantage, at some point it will disappear.

High R&D usually dictates high SG&A which threatens the competitive advantage.

Delta Air Lines Research & Development Related Terms

Delta Air Lines Research & Development Historical Data

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The historical data trend for Delta Air Lines's Research & Development 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 Research & Development Chart

Delta Air Lines Annual Data
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Delta Air Lines Quarterly Data
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DAL
79GF Score
Delta Air Lines Inc DAL
Research & Development is just one metric. See GF Score™, valuation, warning signs, and more.
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Delta Air Lines Research & Development Calculation

This is the expense the company spent on research and development.

Research & Development for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $0 Mil.

* 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.

Frequently Asked Questions Learn more about Research & Development →
What does a Research & Development of $0 Mil mean?
Delta Air Lines (DAL) has a Research & Development of $0 Mil as of Mar. 2026. Research and development expense is the total cost for research and development activities. View historical data on Delta Air Lines and its competitors.
Is Delta Air Lines' Research & Development too high?
Delta Air Lines' current Research & Development is $0 Mil. 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' Research & Development compare to UAL and LUV?
Delta Air Lines' Research & Development of $0 Mil can be compared against companies in the Transportation industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Research & Development for a Transportation company?
A good Research & Development depends on the Transportation industry context. However, Research & Development should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Research & Development mean?
A high Research & Development can signal that a stock is expensive relative to its fundamentals. Research and development expense is the total cost for research and development activities. View historical data on Delta Air Lines and its competitors. Delta Air Lines's current Research & Development is $0 Mil. 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 Research & Development is $0 Mil. 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 Research & Development calculated?
Research & Development is calculated from a company's financial statements. For Delta Air Lines (DAL), the current Research & Development is $0 Mil 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:

  • Research & Development: $0 Mil
  • GF Value™: $54.11 vs. price of $90.65 (67.5% 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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Research & Development is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$90.65
Price
$54.11
GF Value