What is the 13F Pro Quality Score for DAL?

13F Pro ranks DELTA AIR LINES, INC. (DAL) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View DAL's current score at https://13fpro.ai/research/DAL (free sign-up required for the full ranking).

Which hedge funds own the most DAL stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of DAL include BlackRock,, VANGUARD CAPITAL MANAGEMENT, BERKSHIRE HATHAWAY. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/DAL as soon as new 13F filings post.

Where does 13F Pro source DAL data?

All DELTA AIR LINES, INC. fundamentals and ownership data come directly from SEC EDGAR. DELTA AIR LINES, INC. files with the SEC under CIK 27904. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is DAL in?

DELTA AIR LINES, INC. (DAL) is classified in the Industrials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/industrials.

How often is DAL research updated on 13F Pro?

DAL's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

DELTA AIR LINES, INC.(DAL)Stock Analysis

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13F Pro Quality Score

64.4/100

Rank #637 of 2,879 stocksTOP 25%

View Industrials peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

49.9/100

Profitability

54.4/100

Balance Sheet

66.5/100

Earnings Quality

63.2/100

Free Cash Flow

53.3/100

Institutional Flow

78.8/100

Revenue Scale

97.9/100

Dilution Risk

75.3/100

DAL Stock Analysis & AI Quality Score

AI stock analysis and institutional research for DELTA AIR LINES, INC. (DAL), a Industrials sector company. 13F Pro's AI-powered ranking engine scores DAL at 64.4/100 on a 32-signal composite quality model, placing it at rank #637 of 2,879 stocks — the top 25% of the AI-ranked universe. DAL scores in the top quartile across revenue scale (97.9), institutional flow (78.8). Based on the latest XBRL financial filings (Q2 2026), DELTA AIR LINES, INC. reports quarterly revenue of $19.8B, net income of $1.6B, an operating margin of 9.4%. Top institutional holders of DAL by reported 13-F value include BlackRock,, VANGUARD CAPITAL MANAGEMENT, BERKSHIRE HATHAWAY, based on the most recent SEC filings. DAL trades on the NYSE exchange and files with the SEC under CIK 27904. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate DAL daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for DELTA AIR LINES, INC. directly from SEC EDGAR. DELTA AIR LINES, INC.'s 13F Pro composite quality score has ranged between 8 and 76 since 2021, currently 64.4 — an improving long-term trajectory across 56 quarterly and live scoring snapshots.

Revenue

Q2 2026

$19.8B

Net Income

Q2 2026

$1.6B

Free Cash Flow

Q2 2026

$1.6B

Operating Margin

Q2 2026

9.4%

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+25.3% YoY

$63.36BFY 2025

FY20 $17.09BFY21 $29.90BFY22 $50.58BFY25 $63.36B

Net Income

+279.7% YoY

$5.00BFY 2025

FY20 $-12.38BFY21 $280.0MFY22 $1.32BFY25 $5.00B

Operating Income

+59.0% YoY

$5.82BFY 2025

FY20 $-12.47BFY21 $1.89BFY22 $3.66BFY25 $5.82B

EPS (Diluted)

+271.8% YoY

$7.66FY 2025

FY20 $-19.49FY21 $0.44FY22 $2.06FY25 $7.66

Total Assets

+12.5% YoY

$81.32BFY 2025

FY20 $72.00BFY21 $72.46BFY22 $72.29BFY25 $81.32B

Total Debt

-36.9% YoY

$16.29BFY 2025

FY20 $27.97BFY21 $28.42BFY22 $25.80BFY25 $16.29B

Op. Cash Flow

+31.1% YoY

$8.34BFY 2025

FY20 $-3.79BFY21 $3.26BFY22 $6.36BFY25 $8.34B

Metric	FY 2025	FY 2022	FY 2021	FY 2020	FY 2019	FY 2018
Revenue	$63.36B +25.3%	$50.58B +69.2%	$29.90B +74.9%	$17.09B -63.6%	$47.01B +5.8%	$44.44B
Net Income	$5.00B +279.7%	$1.32B +370.7%	$280.0M +102.3%	$-12.38B -359.8%	$4.77B +21.1%	$3.94B
Operating Income	$5.82B +59.0%	$3.66B +94.1%	$1.89B +115.1%	$-12.47B -288.4%	$6.62B +25.7%	$5.26B
EPS (Diluted)	$7.66 +271.8%	$2.06 +368.2%	$0.44 +102.3%	$-19.49 -367.0%	$7.30 +28.7%	$5.67
Total Assets	$81.32B +12.5%	$72.29B -0.2%	$72.46B +0.6%	$72.00B +11.6%	$64.53B +7.1%	$60.27B
Total Debt	$16.29B -36.9%	$25.80B -9.2%	$28.42B +1.6%	$27.97B +176.8%	$10.11B -17.8%	$12.29B
Operating Cash Flow	$8.34B +31.1%	$6.36B +94.9%	$3.26B +186.1%	$-3.79B -145.0%	$8.43B +20.1%	$7.01B

AI Insight: DAL Financial Trends

Debt reduction accelerates as total debt falls from $22.6B in Q3 2024 to $16.3B in Q4 2025, but Q1 2026 net loss of $289M flags seasonal pressure.

• Total debt declined sharply from $22,605M in Q3 2024 to $16,285M in Q4 2025, a $6.3B reduction over five quarters.

• Equity expanded steadily from $12,386M in Q2 2024 to $20,853M in Q4 2025, reflecting consistent earnings retention.

• Q2 2025 net income surged to $2,130M versus $1,305M in Q2 2024, a 63% year-over-year improvement on nearly flat revenue.

• Q1 2026 net income turned negative at -$289M, worse than Q1 2025's $240M, on revenue of $15,854M.

⚠ Total debt rebounded to $18,950M in Q1 2026 from the Q4 2025 low of $16,285M — worth monitoring for reversal of deleveraging trend.

⚠ Operating income fell to $501M in Q1 2026 versus $569M in Q1 2025, suggesting year-over-year margin compression in seasonally weak quarters.

⚠ Operating cash flow remained resilient at $2,432M in Q1 2026 despite the net loss, consistent with prior-year Q1 2025 levels of $2,378M.

AI Insight: DAL Ratio Trends

Delta's Q1 2026 net margin turned negative at -1.8%, the weakest quarterly result in the dataset, as operating margin compressed to 3.2% — a sequential step down from already-thin Q1 2025 levels.

• Operating margin deteriorated from 4.0% in Q1 2025 to 3.2% in Q1 2026, marking back-to-back weak first quarters.

• Net profit margin swung to -1.8% in Q1 2026 from +1.7% in Q1 2025, the only negative NPM in the dataset.

• Leverage has meaningfully improved: D/E declined from 1.81 in Q2 2024 to 0.78 in Q4 2025, though it ticked back to 0.93 in Q1 2026.

• ROIC collapsed to 5.1% in Q1 2026, down from 23.3% in Q2 2025, reflecting sharp seasonal and potential demand-related pressure.

⚠ Negative ROE of -5.7% in Q1 2026 versus +6.2% in Q1 2025 signals year-over-year profit deterioration — monitor Q2 2026 recovery.

⚠ D/E ticked up to 0.93 in Q1 2026 after reaching a dataset low of 0.78 in Q4 2025 — watch for sustained deleveraging resumption.

⚠ Peak-quarter profitability (Q2 2025 NPM of 12.8%) vs. Q1 trough pattern suggests extreme seasonality — Q2 2026 margins are the key inflection.

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Available Research

13F Pro tracks comprehensive data for DELTA AIR LINES, INC. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of DAL

BlackRock, Inc.
$2.9B44,124,774 sh
VANGUARD CAPITAL MANAGEMENT LLC
$2.8B41,944,003 sh
BERKSHIRE HATHAWAY INC
$2.6B39,809,456 sh
Sanders Capital, LLC
$2.0B29,467,155 sh
FMR LLC
$1.8B27,504,033 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$1.8B27,383,084 sh
STATE STREET CORP
$1.6B23,460,114 sh
Capital International Investors
$1.4B20,570,291 sh
GEODE CAPITAL MANAGEMENT, LLC
$1.2B17,970,575 sh
HARRIS ASSOCIATES L P
$1.2B18,002,954 sh

Fund	Value	Shares
BlackRock, Inc.	$2.9B	44,124,774
VANGUARD CAPITAL MANAGEMENT LLC	$2.8B	41,944,003
BERKSHIRE HATHAWAY INC	$2.6B	39,809,456
Sanders Capital, LLC	$2.0B	29,467,155
FMR LLC	$1.8B	27,504,033
VANGUARD PORTFOLIO MANAGEMENT LLC	$1.8B	27,383,084
STATE STREET CORP	$1.6B	23,460,114
Capital International Investors	$1.4B	20,570,291
GEODE CAPITAL MANAGEMENT, LLC	$1.2B	17,970,575
HARRIS ASSOCIATES L P	$1.2B	18,002,954

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Is DAL a good stock to buy?

13F Pro's AI-powered analysis of DELTA AIR LINES, INC. (DAL) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Industrials sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for DAL are available on the DAL stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own DAL?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling DAL. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of DELTA AIR LINES, INC.'s investment landscape.