Delta Air LINES, Inc. (DAL) intrinsic value & 10-year financials

Delta Air LINES, Inc. (DAL) has a Graham intrinsic value of $97.94 per share. At $75.37 on Oct 17, 2026, the stock trades 23% below that value. Over the last 10 fiscal years revenue grew 5.4% a year to $63.4B, with an average return on invested capital of 11.9%.

Graham intrinsic value
$97.94
Share price (Oct 17, 2026)
$75.37
Price vs Graham value
23% below
Market cap
$49.3B
Revenue (FY2025)
$63.4B
Revenue growth (10-yr CAGR)
5.4%
ROIC (10-yr avg)
11.9%
Free cash flow (FY2025)
$3.8B

DAL 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $63.4B $5.0B $7.66 $3.8B 9.2% 17.0%
FY2024 $61.6B $3.5B $5.33 $2.9B 9.7% 17.2%
FY2023 $58.0B $4.6B $7.17 $1.1B 9.5% 18.4%
FY2022 $50.6B $1.3B $2.06 -$3.0M 7.2% 11.2%
FY2021 $29.9B $280.0M $0.44 $17.0M 6.3% 6.4%
FY2020 $17.1B -$12.4B -$19.49 -$5.7B -72.9% -47.2%
FY2019 $47.0B $4.8B $7.30 $3.5B 14.1% 24.4%
FY2018 $44.4B $3.9B $5.67 $1.8B 11.8% 20.6%
FY2017 $41.1B $3.6B $4.95 $1.3B 14.9% 22.3%
FY2016 $39.5B $4.4B $5.79 $3.8B 17.6% 29.1%

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

Delta Air Lines has demonstrated mature, steady growth, with revenue compounding at 5.4% annually over the past decade.

Delta Air Lines returns on capital have been average, hovering around 11.9% ROIC over the decade.

Over the decade, Delta Air Lines shows that management has aggressively returned capital to shareholders by retiring 13.4% of outstanding shares, and that the company has leveraged its balance sheet to sustain operations.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, Delta Air Lines is modeled at 3.2% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $97.94 per share.

DAL stock: frequently asked questions

What is the intrinsic value of Delta Air LINES, Inc. (DAL) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 3.2% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, DAL's intrinsic value is about $97.94 per share.

Is DAL stock undervalued?

At $75.37 (close on Oct 17, 2026), DAL trades 23% below its Graham value of $97.94. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

How fast has Delta Air LINES, Inc. grown?

Revenue went from $39.5B in fiscal 2016 to $63.4B in fiscal 2025, a compound annual growth rate of 5.4%. Net income was $5.0B in fiscal 2025.

Does Delta Air LINES, Inc. generate free cash flow?

Delta Air LINES, Inc. generated $3.8B of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 8 of the last 10 reported years.

What is DAL's return on invested capital?

Average ROIC over the last 10 fiscal years was 11.9%, and average return on equity was 11.9%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this DAL data come from?

From Delta Air LINES, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Jul 10, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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