Delta Air Lines, Inc. (DAL) vs Texas Instruments Incorporated (TXN): Which Is the Better Buy in 2026?
As of 2026-09-17, DAL is undervalued at $79, with a DCF intrinsic value of $441 and a margin of safety of 82%. TXN is undervalued at $262, with an intrinsic value of $365 and a margin of safety of 28%. Of the two, DAL has the wider margin of safety.
Rewards
- ★Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.
- ★Each dollar of retained earnings has created $3.36 of earning power — management is an exceptional capital allocator.
- ★PEG ratio of 0.21 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
- ★Texas Instruments Incorporated has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.
- ★PEG ratio of 0.94 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
Risks
- ⚠Gross margin of 18.7% is low, suggesting a competitive or commodity-like market with limited pricing power.
- ⚠FCF yield of 7.4% suggests reasonable valuation assuming continued moderate growth.
- ⚠Trailing P/E of 13.2x is 26% above the historical average of 10.4x — the stock trades at a premium to its own history.
- ⚠Buybacks have been poorly timed — 3 out of 4 years involved repurchases at relatively expensive valuations.
- ⚠FCF yield of 1.5% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
- ⚠Trailing P/E of 39.9x is 47% above the historical average of 27.1x — the stock trades at a premium to its own history.
Key Valuation Metrics
Learn more →Historical Fundamentals
Learn more →Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.
$1 Retained Earnings Test
Learn more →> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
Discounted Cash Flow (DCF) Analysis
Learn more →Reverse DCF — Market-Implied Growth
Learn more →What growth rate is the market pricing in at $79?
The market implies +2.5% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding +6.2%, reflecting heavy growth investment expected to generate future returns.
What growth rate is the market pricing in at $262?
The market implies +20.0% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +24.8%, reflecting heavy growth investment.
Economic Moat Score
Learn more →Narrow moat with revenue predictability as the key competitive advantage. Improving roic consistency would strengthen the moat.
Narrow moat with roic consistency as the key competitive advantage. Improving reinvestment efficiency would strengthen the moat.
Forensic Accounting
Learn more →M-Score Trend
M-Score Trend
Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
Ownership Breakdown
Learn more →High insider ownership aligns management incentives with shareholders. Institutional concentration can indicate smart-money conviction but also crowding risk.
Insider Buying Activity
Learn more →Open market purchases · includes direct & indirect ownership · excludes option exercises.
Insider Selling Activity
Learn more →Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.
🎭 Mr. Market's Mood
Learn more →"Market is pricing this stock without strong emotion in either direction"
"Market is pricing this stock without strong emotion in either direction"
Composite sentiment score based on market signals. Inspired by Buffett’s "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
⚖️ Buffett Signal
Learn more →The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.
The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.
Frequently Asked Questions: DAL vs TXN
Is Delta Air Lines, Inc. or Texas Instruments Incorporated more undervalued in 2026?▼
Based on our discounted cash flow model, DAL trades at a 82.0% margin of safety (intrinsic value $441 vs. price $79), compared to TXN's 28.2% margin of safety (intrinsic $365 vs. $262).
Which stock has a wider economic moat, Delta Air Lines, Inc. or Texas Instruments Incorporated?▼
DAL scores 65/100 (Narrow moat), while TXN scores 48/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.
Is Delta Air Lines, Inc. in financial distress?▼
DAL's Altman Z-Score of 1.4 places it in the Distress zone, signaling elevated bankruptcy risk. TXN scores 8.7 (Safe zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.
Which company has better free cash flow, Delta Air Lines, Inc. or Texas Instruments Incorporated?▼
Delta Air Lines, Inc. (DAL) generates a 7.4% free cash flow yield, compared to Texas Instruments Incorporated's 1.5%. A higher FCF yield means the business converts more of its market value into cash that can be returned to shareholders or reinvested.
Which stock has higher return on invested capital, Delta Air Lines, Inc. or Texas Instruments Incorporated?▼
TXN earns 20.4% ROIC versus DAL's 10.0%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.
Which dividend is safer, Delta Air Lines, Inc.'s or Texas Instruments Incorporated's?▼
DAL's dividend earns a safety score of 91/100 (Very Safe), compared to TXN's 34/100 (Unsafe). DAL has raised its dividend for 2 consecutive years.