WallStSmart

Delta Air Lines Inc (DAL)vsNorthrop Grumman Corporation (NOC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Delta Air Lines Inc generates 51% more annual revenue ($63.36B vs $41.95B). NOC leads profitability with a 10.0% profit margin vs 7.9%. NOC appears more attractively valued with a PEG of 5.15. DAL earns a higher WallStSmart Score of 64/100 (C+).

DAL

Buy

64

out of 100

Grade: C+

Growth: 6.7Profit: 6.5Value: 7.3Quality: 4.5
Piotroski: 4/9

NOC

Buy

56

out of 100

Grade: C

Growth: 6.0Profit: 7.5Value: 5.3Quality: 4.5
Piotroski: 3/9Altman Z: 1.96
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

DALUndervalued (+80.1%)

Margin of Safety

+80.1%

Fair Value

$358.49

Current Price

$64.83

$293.66 discount

UndervaluedFair: $358.49Overvalued
NOCUndervalued (+24.9%)

Margin of Safety

+24.9%

Fair Value

$904.35

Current Price

$679.00

$225.35 discount

UndervaluedFair: $904.35Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

DAL5 strengths · Avg: 8.6/10
P/E RatioValuation
8.5x10/10

Attractively priced relative to earnings

Return on EquityProfitability
27.7%9/10

Every $100 of equity generates 28 in profit

Price/BookValuation
2.0x8/10

Reasonable price relative to book value

EPS GrowthGrowth
44.6%8/10

Earnings expanding 44.6% YoY

Free Cash FlowQuality
$1.35B8/10

Generating 1.4B in free cash flow

NOC3 strengths · Avg: 8.7/10
Market CapQuality
$96.91B9/10

Large-cap with strong market position

Return on EquityProfitability
26.2%9/10

Every $100 of equity generates 26 in profit

Free Cash FlowQuality
$3.23B8/10

Generating 3.2B in free cash flow

Areas to Watch

DAL3 concerns · Avg: 3.0/10
Revenue GrowthGrowth
2.9%4/10

2.9% revenue growth

Profit MarginProfitability
7.9%3/10

7.9% margin — thin

PEG RatioValuation
39.292/10

Expensive relative to growth rate

NOC4 concerns · Avg: 3.0/10
Altman Z-ScoreHealth
1.964/10

Grey zone — moderate risk

Debt/EquityHealth
1.183/10

Elevated debt levels

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
5.152/10

Expensive relative to growth rate

Comparative Analysis Report

WallStSmart Research

Bull Case : DAL

The strongest argument for DAL centers on P/E Ratio, Return on Equity, Price/Book.

Bull Case : NOC

The strongest argument for NOC centers on Market Cap, Return on Equity, Free Cash Flow.

Bear Case : DAL

The primary concerns for DAL are Revenue Growth, Profit Margin, PEG Ratio.

Bear Case : NOC

The primary concerns for NOC are Altman Z-Score, Debt/Equity, Piotroski F-Score.

Key Dynamics to Monitor

DAL carries more volatility with a beta of 1.35 — expect wider price swings.

NOC is growing revenue faster at 9.6% — sustainability is the question.

NOC generates stronger free cash flow (3.2B), providing more financial flexibility.

Monitor AIRLINES industry trends, competitive dynamics, and regulatory changes.

Bottom Line

DAL scores higher overall (64/100 vs 56/100). NOC offers better value entry with a 24.9% margin of safety. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Delta Air Lines Inc

INDUSTRIALS · AIRLINES · USA

Delta Air Lines, Inc., typically referred to as Delta, is one of the major airlines of the United States and a legacy carrier. It is headquartered in Atlanta, Georgia.

Northrop Grumman Corporation

INDUSTRIALS · AEROSPACE & DEFENSE · USA

Northrop Grumman Corporation (NYSE: NOC) is an American multinational aerospace and defense technology company.

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