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Delta Air Lines, Inc.. (DAL) Stock Fundamental Analysis & AI Rating 2026

DAL NYSE Air Transportation, Scheduled DE CIK: 0000027904
Updated This Month • Analysis: Mar 23, 2026 • SEC Data: 2025-12-31
Combined AI Rating
BUY
75% Confidence
STRONG AGREEMENT
BUY
72% Conf
BUY
78% Conf

📊 DAL Key Takeaways

Revenue: $63.4B
Net Margin: 7.9%
Free Cash Flow: $3.8B
Current Ratio: 0.40x
Debt/Equity: 0.64x
EPS: $7.66
AI Rating: BUY with 72% confidence
Delta Air Lines, Inc.. (DAL) receives a BUY rating with 75% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $63.4B, net profit margin of 7.9%, and return on equity (ROE) of 24.0%, Delta Air Lines, Inc.. demonstrates strong fundamentals in the Transportation sector. Below is our complete DAL stock analysis for 2026.

Is Delta Air Lines, Inc.. (DAL) a Good Investment?

Claude

Delta demonstrates strong operational profitability with 9.2% operating margins and impressive 44.8% YoY net income growth, indicating effective cost management and revenue optimization in a cyclical industry. The company maintains healthy cash generation with $3.8B free cash flow and a robust 57.1x interest coverage ratio, though liquidity constraints and elevated leverage require monitoring.

ChatGPT

Delta Air Lines shows strong fundamental improvement, with modest revenue growth translating into much faster earnings and EPS growth, indicating better cost control and operating efficiency. Profitability is solid for an airline, free cash flow is positive, and debt appears manageable given very strong interest coverage. The main constraint is weak near-term liquidity and the capital-intensive, cyclical nature of the business.

Why Buy Delta Air Lines, Inc.. Stock? DAL Key Strengths

Claude
  • + Strong earnings growth with 44.8% YoY net income increase and 7.9% net margin demonstrates operational leverage
  • + Excellent interest coverage ratio of 57.1x indicates very strong debt servicing capability
  • + Solid free cash flow generation of $3.8B with 6.1% FCF margin supports capital investments and shareholder returns
  • + Healthy ROE of 24.0% shows efficient use of shareholder capital
ChatGPT
  • + Net income and diluted EPS grew sharply year over year, showing high-quality earnings improvement beyond top-line growth
  • + Operating margin of 9.2%, net margin of 7.9%, and ROE of 24.0% reflect strong profitability for a scheduled airline
  • + Operating cash flow of $8.34B and free cash flow of $3.84B support deleveraging, fleet investment, and financial flexibility

DAL Stock Risks: Delta Air Lines, Inc.. Investment Risks

Claude
  • ! Critically low liquidity with current ratio of 0.40x and quick ratio of 0.38x raises concerns about short-term obligations coverage
  • ! Substantial long-term debt of $13.3B creates refinancing risk if interest rates remain elevated
  • ! Cyclical airline industry exposure makes earnings vulnerable to economic downturns, fuel price volatility, and capacity discipline
  • ! Capital expenditure of $4.5B annually limits flexibility and leaves modest cushion after debt service
ChatGPT
  • ! Current ratio of 0.40x and quick ratio of 0.38x indicate weak short-term liquidity
  • ! Airline fundamentals remain exposed to fuel costs, labor inflation, macroeconomic slowdowns, and travel demand volatility
  • ! Capital expenditure of $4.50B highlights the ongoing cash demands of fleet renewal and operational maintenance

Key Metrics to Watch

Claude
  • * Operating margin sustainability amid labor cost inflation and fuel price volatility
  • * Free cash flow generation and capital allocation priorities relative to debt reduction
  • * Working capital management and current ratio improvement to strengthen balance sheet liquidity
  • * Revenue growth rate versus system capacity additions and market demand trends
ChatGPT
  • * Free cash flow after capital expenditures
  • * Liquidity and leverage trends, especially current ratio and long-term debt

Delta Air Lines, Inc.. (DAL) Financial Metrics & Key Ratios

Revenue
$63.4B
Net Income
$5.0B
EPS (Diluted)
$7.66
Free Cash Flow
$3.8B
Total Assets
$81.3B
Cash Position
$4.3B

💡 AI Analyst Insight

The current ratio below 1.0x warrants monitoring of short-term liquidity.

DAL Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin 9.2%
Net Margin 7.9%
ROE 24.0%
ROA 6.2%
FCF Margin 6.1%

DAL vs Transportation Sector: How Delta Air Lines, Inc.. Compares

How Delta Air Lines, Inc.. compares to Transportation sector averages

Net Margin
DAL 7.9%
vs
Sector Avg 10.0%
DAL Sector
ROE
DAL 24.0%
vs
Sector Avg 18.0%
DAL Sector
Current Ratio
DAL 0.4x
vs
Sector Avg 1.0x
DAL Sector
Debt/Equity
DAL 0.6x
vs
Sector Avg 1.0x
DAL Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Delta Air Lines, Inc.. Stock Overvalued? DAL Valuation Analysis 2026

Based on fundamental analysis, Delta Air Lines, Inc.. appears fundamentally strong relative to the Transportation sector in 2026.

Return on Equity
24.0%
Sector avg: 18%
Net Profit Margin
7.9%
Sector avg: 10%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.64x
Sector avg: 1x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Delta Air Lines, Inc.. Balance Sheet: DAL Debt, Cash & Liquidity

Current Ratio
0.40x
Quick Ratio
0.38x
Debt/Equity
0.64x
Debt/Assets
0.0%
Interest Coverage
57.08x
Long-term Debt
$13.3B

DAL Revenue & Earnings Growth: 5-Year Financial Trend

DAL 5-year financial data: Year 2021: Revenue $47.0B, Net Income $4.8B, EPS $7.30. Year 2022: Revenue $50.6B, Net Income -$12.4B, EPS $-19.49. Year 2023: Revenue $58.0B, Net Income $280.0M, EPS $0.44. Year 2024: Revenue $61.6B, Net Income $1.3B, EPS $2.06. Year 2025: Revenue $63.4B, Net Income $4.6B, EPS $7.17.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Delta Air Lines, Inc..'s revenue has grown significantly by 35% over the 5-year period, indicating strong business expansion. The most recent EPS of $7.17 reflects profitable operations.

DAL Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
6.1%
Free cash flow / Revenue

DAL Quarterly Earnings & Performance

Quarterly financial performance data for Delta Air Lines, Inc.. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q1 2026 $14.0B $240.0M $0.37
Q3 2025 $15.7B $37.0M $1.97
Q2 2025 $16.6B $37.0M $2.01
Q1 2025 $13.7B $37.0M $0.06
Q3 2024 $15.5B $37.0M $1.72
Q2 2024 $15.6B $37.0M $2.01
Q1 2024 $12.8B $37.0M $0.06
Q3 2023 $14.0B -$363.0M $0.76

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Delta Air Lines, Inc.. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$8.3B
Cash generated from operations
Capital Expenditures
$4.5B
Investment in assets
Dividends Paid
$440.0M
Returned to shareholders

DAL SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Delta Air Lines, Inc.. (CIK: 0000027904)

📋 Recent SEC Filings

Date Form Document Action
Apr 15, 2026 4 xslF345X06/ownership.xml View →
Apr 13, 2026 4 xslF345X06/ownership.xml View →
Apr 8, 2026 10-Q dal-20260331.htm View →
Apr 8, 2026 8-K dal-20260408.htm View →
Apr 3, 2026 4 xslF345X06/ownership.xml View →

Frequently Asked Questions about DAL

What is the AI rating for DAL?

Delta Air Lines, Inc.. (DAL) has a Combined AI Rating of BUY from Claude (BUY) and ChatGPT (BUY) with 75% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are DAL's key strengths?

Claude: Strong earnings growth with 44.8% YoY net income increase and 7.9% net margin demonstrates operational leverage. Excellent interest coverage ratio of 57.1x indicates very strong debt servicing capability. ChatGPT: Net income and diluted EPS grew sharply year over year, showing high-quality earnings improvement beyond top-line growth. Operating margin of 9.2%, net margin of 7.9%, and ROE of 24.0% reflect strong profitability for a scheduled airline.

What are the risks of investing in DAL?

Claude: Critically low liquidity with current ratio of 0.40x and quick ratio of 0.38x raises concerns about short-term obligations coverage. Substantial long-term debt of $13.3B creates refinancing risk if interest rates remain elevated. ChatGPT: Current ratio of 0.40x and quick ratio of 0.38x indicate weak short-term liquidity. Airline fundamentals remain exposed to fuel costs, labor inflation, macroeconomic slowdowns, and travel demand volatility.

What is DAL's revenue and growth?

Delta Air Lines, Inc.. reported revenue of $63.4B.

Does DAL pay dividends?

Delta Air Lines, Inc.. pays dividends, with $440.0M distributed to shareholders in the trailing twelve months.

Where can I find DAL SEC filings?

Official SEC filings for Delta Air Lines, Inc.. (CIK: 0000027904) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is DAL's EPS?

Delta Air Lines, Inc.. has a diluted EPS of $7.66.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is DAL a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Delta Air Lines, Inc.. has a BUY rating with 75% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is DAL stock overvalued or undervalued?

Valuation metrics for DAL: ROE of 24.0% (sector avg: 18%), net margin of 7.9% (sector avg: 10%). Higher ROE suggests strong returns relative to peers.

Should I buy DAL stock in 2026?

Our dual AI analysis gives Delta Air Lines, Inc.. a combined BUY rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is DAL's free cash flow?

Delta Air Lines, Inc..'s operating cash flow is $8.3B, with capital expenditures of $4.5B. FCF margin is 6.1%.

How does DAL compare to other Transportation stocks?

Vs Transportation sector averages: Net margin 7.9% (avg: 10%), ROE 24.0% (avg: 18%), current ratio 0.40 (avg: 1).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 23, 2026 | Data as of: 2025-12-31 | Powered by Claude AI