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Side-by-side financial comparison of AAR CORP (AIR) and ON Semiconductor (ON). Click either name above to swap in a different company.

ON Semiconductor is the larger business by last-quarter revenue ($1.6B vs $795.3M, roughly 2.0× AAR CORP). ON Semiconductor runs the higher net margin — 16.4% vs 4.4%, a 12.1% gap on every dollar of revenue. On growth, AAR CORP posted the faster year-over-year revenue change (15.9% vs -10.0%). ON Semiconductor produced more free cash flow last quarter ($372.4M vs $6.2M).

AAR Corp. is an American provider of aircraft maintenance services to commercial and government customers worldwide. The company is headquartered in Wood Dale, Illinois, a Chicago suburb. The company employs about 6,000 people, operating in about 30 different countries. John Holmes is the current CEO.

Fairchild Semiconductor International, Inc. was an American semiconductor company based in San Jose, California. It was founded in 1957 as a division of Fairchild Camera and Instrument by the "traitorous eight" who defected from Shockley Semiconductor Laboratory. It became a pioneer in the manufacturing of transistors and of integrated circuits. Schlumberger bought the firm in 1979 and sold it to National Semiconductor in 1987; Fairchild was spun off as an independent company again in 1997. I...

AIR vs ON — Head-to-Head

Bigger by revenue
ON
ON
2.0× larger
ON
$1.6B
$795.3M
AIR
Growing faster (revenue YoY)
AIR
AIR
+25.9% gap
AIR
15.9%
-10.0%
ON
Higher net margin
ON
ON
12.1% more per $
ON
16.4%
4.4%
AIR
More free cash flow
ON
ON
$366.2M more FCF
ON
$372.4M
$6.2M
AIR

Income Statement — Q2 FY2026 vs Q3 FY2025

Metric
AIR
AIR
ON
ON
Revenue
$795.3M
$1.6B
Net Profit
$34.6M
$255.0M
Gross Margin
19.7%
37.9%
Operating Margin
6.0%
17.0%
Net Margin
4.4%
16.4%
Revenue YoY
15.9%
-10.0%
Net Profit YoY
213.1%
-32.9%
EPS (diluted)
$0.90
$0.63

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
AIR
AIR
ON
ON
Q4 25
$795.3M
$1.6B
Q3 25
$739.6M
$1.5B
Q2 25
$1.4B
Q4 24
$1.7B
Q3 24
$1.8B
Q2 24
$1.7B
Q1 24
$1.9B
Q4 23
$2.0B
Net Profit
AIR
AIR
ON
ON
Q4 25
$34.6M
$255.0M
Q3 25
$34.4M
$170.3M
Q2 25
$-486.1M
Q4 24
$379.9M
Q3 24
$401.7M
Q2 24
$338.2M
Q1 24
$453.0M
Q4 23
$562.7M
Gross Margin
AIR
AIR
ON
ON
Q4 25
19.7%
37.9%
Q3 25
18.1%
37.6%
Q2 25
20.3%
Q4 24
45.2%
Q3 24
45.4%
Q2 24
45.2%
Q1 24
45.8%
Q4 23
46.7%
Operating Margin
AIR
AIR
ON
ON
Q4 25
6.0%
17.0%
Q3 25
6.4%
13.2%
Q2 25
-39.7%
Q4 24
23.7%
Q3 24
25.3%
Q2 24
22.4%
Q1 24
28.2%
Q4 23
30.3%
Net Margin
AIR
AIR
ON
ON
Q4 25
4.4%
16.4%
Q3 25
4.7%
11.6%
Q2 25
-33.6%
Q4 24
22.1%
Q3 24
22.8%
Q2 24
19.5%
Q1 24
24.3%
Q4 23
27.9%
EPS (diluted)
AIR
AIR
ON
ON
Q4 25
$0.90
$0.63
Q3 25
$0.95
$0.41
Q2 25
$-1.15
Q4 24
$0.88
Q3 24
$0.93
Q2 24
$0.78
Q1 24
$1.04
Q4 23
$1.28

Balance Sheet & Financial Strength

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

Metric
AIR
AIR
ON
ON
Cash + ST InvestmentsLiquidity on hand
$75.6M
$2.9B
Total DebtLower is stronger
$952.7M
$3.4B
Stockholders' EquityBook value
$1.6B
$7.9B
Total Assets
$3.2B
$13.0B
Debt / EquityLower = less leverage
0.61×
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AIR
AIR
ON
ON
Q4 25
$75.6M
$2.9B
Q3 25
$80.0M
$2.8B
Q2 25
$3.0B
Q4 24
$3.0B
Q3 24
$2.8B
Q2 24
$2.7B
Q1 24
$2.6B
Q4 23
$2.5B
Total Debt
AIR
AIR
ON
ON
Q4 25
$952.7M
$3.4B
Q3 25
$1.0B
$3.4B
Q2 25
$3.4B
Q4 24
$3.4B
Q3 24
$3.4B
Q2 24
$3.4B
Q1 24
$3.4B
Q4 23
$3.4B
Stockholders' Equity
AIR
AIR
ON
ON
Q4 25
$1.6B
$7.9B
Q3 25
$1.2B
$7.9B
Q2 25
$8.0B
Q4 24
$8.8B
Q3 24
$8.6B
Q2 24
$8.3B
Q1 24
$8.1B
Q4 23
$7.8B
Total Assets
AIR
AIR
ON
ON
Q4 25
$3.2B
$13.0B
Q3 25
$2.9B
$13.1B
Q2 25
$13.3B
Q4 24
$14.1B
Q3 24
$13.9B
Q2 24
$13.7B
Q1 24
$13.5B
Q4 23
$13.2B
Debt / Equity
AIR
AIR
ON
ON
Q4 25
0.61×
0.43×
Q3 25
0.82×
0.43×
Q2 25
0.42×
Q4 24
0.38×
Q3 24
0.39×
Q2 24
0.41×
Q1 24
0.42×
Q4 23
0.43×

Cash Flow & Capital Efficiency

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

Metric
AIR
AIR
ON
ON
Operating Cash FlowLast quarter
$13.6M
$418.7M
Free Cash FlowOCF − Capex
$6.2M
$372.4M
FCF MarginFCF / Revenue
0.8%
24.0%
Capex IntensityCapex / Revenue
0.9%
3.0%
Cash ConversionOCF / Net Profit
0.39×
1.64×
TTM Free Cash FlowTrailing 4 quarters
$1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AIR
AIR
ON
ON
Q4 25
$13.6M
$418.7M
Q3 25
$-44.9M
$184.3M
Q2 25
$602.3M
Q4 24
$579.7M
Q3 24
$465.8M
Q2 24
$362.2M
Q1 24
$498.7M
Q4 23
$611.2M
Free Cash Flow
AIR
AIR
ON
ON
Q4 25
$6.2M
$372.4M
Q3 25
$-53.6M
$106.1M
Q2 25
$454.7M
Q4 24
$434.8M
Q3 24
$293.6M
Q2 24
$207.7M
Q1 24
$276.3M
Q4 23
$257.2M
FCF Margin
AIR
AIR
ON
ON
Q4 25
0.8%
24.0%
Q3 25
-7.2%
7.2%
Q2 25
31.5%
Q4 24
25.2%
Q3 24
16.7%
Q2 24
12.0%
Q1 24
14.8%
Q4 23
12.7%
Capex Intensity
AIR
AIR
ON
ON
Q4 25
0.9%
3.0%
Q3 25
1.2%
5.3%
Q2 25
10.2%
Q4 24
8.4%
Q3 24
9.8%
Q2 24
8.9%
Q1 24
11.9%
Q4 23
17.5%
Cash Conversion
AIR
AIR
ON
ON
Q4 25
0.39×
1.64×
Q3 25
-1.31×
1.08×
Q2 25
Q4 24
1.53×
Q3 24
1.16×
Q2 24
1.07×
Q1 24
1.10×
Q4 23
1.09×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AIR
AIR

Commercial Customer$268.1M34%
Repair And Engineering$244.5M31%
Integrated Solutions$175.8M22%
Government And Defense Customer$85.5M11%
Expeditionary Services$21.4M3%

ON
ON

Industrial Segment$426.3M27%
Other End Markets Segment$337.3M22%
Intelligent Sensing Segments$284.0M18%
Direct Customers$282.4M18%
Intelligent Sensing Group$230.0M15%

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