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Side-by-side financial comparison of Arch Capital Group (ACGL) and Southwest Airlines (LUV). Click either name above to swap in a different company.

Southwest Airlines is the larger business by last-quarter revenue ($7.2B vs $4.5B, roughly 1.6× Arch Capital Group). Arch Capital Group runs the higher net margin — 23.2% vs 3.1%, a 20.0% gap on every dollar of revenue. On growth, Southwest Airlines posted the faster year-over-year revenue change (12.8% vs -3.3%). Over the past eight quarters, Arch Capital Group's revenue compounded faster (3.4% CAGR vs -0.7%).

Arch Capital Group Ltd. is a Bermuda exempted public company which writes insurance, reinsurance and mortgage insurance on a worldwide basis, with a focus on specialty lines, the segment of the insurance industry where the more difficult and unusual risks are written. The company is headquartered in Bermuda and operates globally in 60 offices in North America, Europe, Asia and Australia.

Southwest Airlines is a major low-cost airline of the United States. It is headquartered in the Love Field neighborhood of Dallas, Texas. It is the fourth-largest airline in North America when measured by passengers carried, as of 2024. With its all-Boeing 737 fleet, Southwest serves over 100 destinations in 42 states, Washington, D.C.

ACGL vs LUV — Head-to-Head

Bigger by revenue
LUV
LUV
1.6× larger
LUV
$7.2B
$4.5B
ACGL
Growing faster (revenue YoY)
LUV
LUV
+16.0% gap
LUV
12.8%
-3.3%
ACGL
Higher net margin
ACGL
ACGL
20.0% more per $
ACGL
23.2%
3.1%
LUV
Faster 2-yr revenue CAGR
ACGL
ACGL
Annualised
ACGL
3.4%
-0.7%
LUV

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
ACGL
ACGL
LUV
LUV
Revenue
$4.5B
$7.2B
Net Profit
$1.0B
$227.0M
Gross Margin
Operating Margin
Net Margin
23.2%
3.1%
Revenue YoY
-3.3%
12.8%
Net Profit YoY
82.4%
252.3%
EPS (diluted)
$2.88
$0.45

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ACGL
ACGL
LUV
LUV
Q1 26
$4.5B
$7.2B
Q4 25
$4.9B
$7.4B
Q3 25
$5.1B
$6.9B
Q2 25
$5.2B
$7.2B
Q1 25
$4.7B
$6.4B
Q4 24
$4.5B
$6.9B
Q3 24
$4.7B
$6.9B
Q2 24
$4.2B
$7.4B
Net Profit
ACGL
ACGL
LUV
LUV
Q1 26
$1.0B
$227.0M
Q4 25
$1.2B
$323.0M
Q3 25
$1.4B
$54.0M
Q2 25
$1.2B
$213.0M
Q1 25
$574.0M
$-149.0M
Q4 24
$935.0M
$262.0M
Q3 24
$988.0M
$67.0M
Q2 24
$1.3B
$367.0M
Operating Margin
ACGL
ACGL
LUV
LUV
Q1 26
Q4 25
5.3%
Q3 25
0.5%
Q2 25
3.1%
Q1 25
-3.5%
Q4 24
4.0%
Q3 24
0.6%
Q2 24
5.4%
Net Margin
ACGL
ACGL
LUV
LUV
Q1 26
23.2%
3.1%
Q4 25
25.1%
4.3%
Q3 25
26.4%
0.8%
Q2 25
23.7%
2.9%
Q1 25
12.3%
-2.3%
Q4 24
20.6%
3.8%
Q3 24
20.9%
1.0%
Q2 24
30.0%
5.0%
EPS (diluted)
ACGL
ACGL
LUV
LUV
Q1 26
$2.88
$0.45
Q4 25
$3.33
$0.56
Q3 25
$3.56
$0.10
Q2 25
$3.23
$0.39
Q1 25
$1.48
$-0.26
Q4 24
$2.41
$0.46
Q3 24
$2.56
$0.11
Q2 24
$3.30
$0.58

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ACGL
ACGL
LUV
LUV
Cash + ST InvestmentsLiquidity on hand
$24.0M
$3.3B
Total DebtLower is stronger
$5.4B
Stockholders' EquityBook value
$24.2B
$6.9B
Total Assets
$81.4B
$20.4B
Debt / EquityLower = less leverage
0.78×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACGL
ACGL
LUV
LUV
Q1 26
$24.0M
$3.3B
Q4 25
$993.0M
$3.2B
Q3 25
$1.1B
$3.0B
Q2 25
$983.0M
$3.8B
Q1 25
$1.2B
$8.3B
Q4 24
$979.0M
$8.7B
Q3 24
$1.0B
$9.4B
Q2 24
$1.0B
$10.0B
Total Debt
ACGL
ACGL
LUV
LUV
Q1 26
$5.4B
Q4 25
$4.6B
Q3 25
$4.1B
Q2 25
$4.1B
Q1 25
$4.1B
Q4 24
$5.1B
Q3 24
$5.1B
Q2 24
$5.1B
Stockholders' Equity
ACGL
ACGL
LUV
LUV
Q1 26
$24.2B
$6.9B
Q4 25
$24.2B
$8.0B
Q3 25
$23.7B
$7.8B
Q2 25
$23.0B
$8.0B
Q1 25
$21.5B
$9.4B
Q4 24
$20.8B
$10.3B
Q3 24
$22.3B
$10.4B
Q2 24
$20.7B
$10.5B
Total Assets
ACGL
ACGL
LUV
LUV
Q1 26
$81.4B
$20.4B
Q4 25
$79.2B
$29.1B
Q3 25
$79.2B
$28.3B
Q2 25
$78.8B
$28.7B
Q1 25
$75.2B
$33.2B
Q4 24
$70.9B
$33.8B
Q3 24
$73.7B
$34.8B
Q2 24
$65.5B
$35.6B
Debt / Equity
ACGL
ACGL
LUV
LUV
Q1 26
0.78×
Q4 25
0.57×
Q3 25
0.52×
Q2 25
0.51×
Q1 25
0.44×
Q4 24
0.49×
Q3 24
0.49×
Q2 24
0.48×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ACGL
ACGL
LUV
LUV
Operating Cash FlowLast quarter
$1.2B
$1.4B
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
8.7%
Cash ConversionOCF / Net Profit
1.13×
6.25×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACGL
ACGL
LUV
LUV
Q1 26
$1.2B
$1.4B
Q4 25
$1.4B
$294.0M
Q3 25
$2.2B
$287.0M
Q2 25
$1.1B
$401.0M
Q1 25
$1.5B
$860.0M
Q4 24
$1.6B
$476.0M
Q3 24
$2.0B
$113.0M
Q2 24
$1.5B
$-23.0M
Free Cash Flow
ACGL
ACGL
LUV
LUV
Q1 26
Q4 25
$1.4B
$-565.0M
Q3 25
$2.2B
$-391.0M
Q2 25
$1.1B
$-234.0M
Q1 25
$1.4B
$359.0M
Q4 24
$1.6B
$16.0M
Q3 24
$2.0B
$-404.0M
Q2 24
$1.5B
$-517.0M
FCF Margin
ACGL
ACGL
LUV
LUV
Q1 26
Q4 25
28.2%
-7.6%
Q3 25
42.6%
-5.6%
Q2 25
21.3%
-3.2%
Q1 25
31.0%
5.6%
Q4 24
34.3%
0.2%
Q3 24
42.5%
-5.9%
Q2 24
35.6%
-7.0%
Capex Intensity
ACGL
ACGL
LUV
LUV
Q1 26
8.7%
Q4 25
0.2%
11.5%
Q3 25
0.2%
9.8%
Q2 25
0.2%
8.8%
Q1 25
0.2%
7.8%
Q4 24
0.3%
6.6%
Q3 24
0.3%
7.5%
Q2 24
0.3%
6.7%
Cash Conversion
ACGL
ACGL
LUV
LUV
Q1 26
1.13×
6.25×
Q4 25
1.13×
0.91×
Q3 25
1.62×
5.31×
Q2 25
0.91×
1.88×
Q1 25
2.54×
Q4 24
1.68×
1.82×
Q3 24
2.04×
1.69×
Q2 24
1.20×
-0.06×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ACGL
ACGL

Segment breakdown not available.

LUV
LUV

Passenger$6.6B91%
Other$614.0M8%
Freight$44.0M1%

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