Cash flow generation remains highly erratic, highlighted by a massive $95.7 million working capital outflow in 2026Q1 that underscores the volatility of the company's MRO-focused business cycle.
| Metric | TTM | May'25 | May'24 | May'23 | May'22 | May'21 | May'20 | May'19 | May'18 | May'17 | May'16 | May'15 | May'14 | May'13 | May'12 | May'11 | May'10 | May'09 | May'08 | May'07 | May'06 | May'05 | May'04 | May'03 | May'02 | May'01 | May'00 | May'99 | May'98 | May'97 | May'96 |
|---|
| Cash from Operations | 94.8M | 36.1M | 43.6M | 23.3M | 75.2M | 105.2M | -36.1M | 67.4M | 64.3M | 21.8M | 32.1M | -43M | 139.8M | 162.9M | 94.22M | 108.6M | 153.16M | 64.45M | 16.93M | -21.24M | -40.48M | 50.94M | 14.57M | 34.73M | -33.31M | 46.09M | 10.05M | 28.52M | 22.82M | 9.53M | 24.76M |
| Operating CF Margin % | - | 1.3% | 1.88% | 1.17% | 4.13% | 6.37% | -1.74% | 3.28% | 3.68% | 1.23% | 1.93% | -2.7% | 6.87% | 7.62% | 4.56% | 6.12% | 11.33% | 4.53% | 1.22% | -2% | -4.51% | 6.81% | 2.24% | 5.73% | -5.22% | 5.27% | 0.98% | 3.11% | 2.92% | 1.62% | 4.9% |
| Operating CF Growth % | 429.68% | -17.2% | 87.12% | -69.02% | -28.52% | 391.41% | -153.56% | 4.82% | 194.95% | -32.09% | 174.65% | -130.76% | -14.18% | 72.9% | -13.24% | -29.09% | 137.63% | 280.78% | 179.69% | 47.53% | -179.47% | 249.56% | -58.05% | 204.26% | -172.28% | 358.59% | -64.76% | 24.98% | 139.46% | -61.51% | 62.31% |
| Net Income | 171M | 12.5M | 46.3M | 89.8M | 78.5M | 46.3M | 24.8M | 84.1M | 73.7M | 50.2M | 40.5M | 10.4M | 73.2M | 55.5M | 68.03M | 69.83M | 43.2M | 78.65M | 75.14M | 58.66M | 35.16M | 15.45M | 3.5M | -12.41M | -58.94M | 18.53M | 35.16M | 41.67M | 35.66M | 23.02M | 16.01M |
| Depreciation & Amortization | 67.1M | 55.2M | 41.2M | 27.9M | 33.1M | 36.3M | 43.7M | 42.8M | 40.5M | 71M | 70.8M | 123.9M | 113.4M | 108.6M | 80.33M | 59.3M | 38.93M | 40.55M | 39.95M | 32.2M | 29.22M | 27.95M | 26.68M | 27.17M | 22.5M | 18.58M | 18.37M | 17.06M | 14.28M | 12.29M | 10.12M |
| Stock-Based Compensation | 17.6M | 19.9M | 15.3M | 13.5M | 8.2M | 9.2M | 7.3M | 13.5M | 15.3M | 11M | 6.7M | 7.8M | 8.7M | 11.1M | 12.55M | 12.31M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 0 | -5.5M | -20.5M | -2.2M | 8.7M | 8.4M | 500K | -5M | -12.9M | 600K | 4.8M | -79.8M | 9.6M | 29.5M | 32.76M | 40.64M | -4.68M | 16.01M | 13.24M | 20.41M | 8.08M | 1.61M | -5.12M | -3.38M | -2.39M | -312K | 9.57M | 10.97M | -4.11M | 1.73M | -2.52M |
| Other Non-Cash Items | -16.5M | 66.3M | 27.4M | 5.3M | -16.1M | 28.3M | 27.3M | 27.7M | 8.5M | -5M | 2.1M | -66.8M | 2.2M | 3.1M | 15.23M | 8.05M | 10.31M | -10.05M | -4.45M | 3.31M | 0 | 2.32M | 0 | 3.48M | -1.58M | 3.3M | 0 | 0 | 0 | 0 | 0 |
| Working Capital Changes | -144.4M | -112.3M | -66.1M | -111M | -37.2M | -23.3M | -139.7M | -95.7M | -60.8M | -106M | -92.8M | -38.5M | -67.3M | -44.9M | -114.67M | -81.53M | 63.97M | -60.71M | -100.48M | -115.66M | -112.94M | 3.6M | -10.5M | 19.86M | -44.58M | 6M | -53.05M | -41.18M | -23M | -27.52M | 1.16M |
| Change in Receivables | -60.8M | -109.4M | -22.4M | -18.1M | -49M | -4.5M | 14.8M | -34.4M | 35.9M | -4M | -16.1M | -28.3M | 16.7M | 6M | 20.96M | -58.39M | 33.93M | -26.39M | 12.43M | -25.16M | -9.32M | -17.6M | -41.37M | 16.52M | 24.36M | 20.71M | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | -98.2M | -109.3M | -90.4M | -23.6M | -10.4M | 74.9M | -94.5M | -80.9M | -25.8M | -18.8M | -26.4M | -43.2M | -47.9M | 16.1M | -47.61M | -13.02M | 19.02M | -45.41M | -42.34M | -8.57M | -58.3M | -12.01M | 15.6M | 17.75M | -31.75M | 17.89M | -6.64M | -46.21M | -34.71M | -35.93M | -124K |
| Change in Payables | 43.9M | 70.5M | 59.4M | -48M | 29.4M | -62.6M | 4.1M | 17.5M | 1.8M | 14.1M | 19.4M | -4M | 20.1M | -50.7M | 18.33M | 48.7M | -1.47M | 2.65M | -26.08M | 6.47M | 19.73M | 19.24M | 6.64M | -2.84M | -25.26M | -35.03M | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -224.2M | 10.7M | -758.5M | -138M | -16.5M | -500K | -24.8M | -19M | -42.9M | -30.1M | -16.9M | 689.2M | -40.9M | -32.8M | -390.23M | -118.73M | -222.34M | -24.23M | -141.97M | -39.13M | -32.63M | -17.58M | 5.63M | -6.68M | -24.98M | 2.14M | -23.21M | -22.89M | -99.13M | -31.97M | -4.63M |
| Capital Expenditures | 0 | 0 | -29.7M | -29.5M | -17.3M | -11.3M | -23.6M | -17.4M | -22M | -33.6M | -88.4M | -46.3M | -26.5M | -37.6M | -91.22M | -124.88M | -28.86M | -27.54M | -30.33M | -29.89M | -16.3M | -13.03M | -10.29M | -9.93M | -12.11M | -13.13M | -22.34M | -36.13M | -17.5M | -30.29M | -7.55M |
| CapEx % of Revenue | 0% | 1.25% | 1.28% | 1.48% | 0.95% | 0.68% | 1.14% | 0.85% | 1.26% | 1.9% | 5.32% | 2.9% | 1.3% | 1.76% | 4.42% | 7.03% | 2.13% | 1.93% | 2.19% | 2.82% | 1.82% | 1.74% | 1.58% | 1.64% | 1.9% | 1.5% | 2.18% | 3.94% | 2.24% | 5.14% | 1.49% |
| Acquisitions | -226.4M | 0 | -722.9M | -103.3M | -6.5M | 800K | 1.6M | -2.3M | -22.9M | -12.5M | 40.3M | 689.1M | -15.5M | -5.9M | -298.09M | 0 | -193.34M | 5.1M | -85.21M | -31.91M | 0 | 0 | 0 | 0 | -13.25M | -3.2M | 0 | -15.18M | -28.15M | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 2.2M | 10.7M | -5.9M | -5.2M | 7.3M | 10M | -2.8M | 700K | 2M | 16M | 71.5M | 46.4M | 1.1M | 10.7M | 3.3M | 7.73M | 2.89M | -2.51M | -1.28M | -933K | 388K | -4.55M | 15.91M | 3.25M | 386K | 18.48M | -865K | 28.41M | -53.49M | -1.68M | 2.92M |
| Cash from Financing | 128.6M | -33.7M | 729.2M | 137.7M | -59.8M | -469.5M | 444.5M | -48.7M | 10M | -12.1M | -38.4M | -678.1M | -85.9M | -123.7M | 306.84M | -11.83M | 36.17M | -36.17M | 151.02M | 21.97M | 144.66M | -24.04M | -8.37M | -33.35M | 78.89M | -35.62M | 6.03M | -14.6M | 41.7M | 40.65M | -8.9M |
| Debt Issued (Net) | -49M | -20M | 725M | 172M | -34.2M | -470M | 459.5M | -35M | 23.8M | 11M | -10.6M | -474.8M | -78.9M | -93M | 332.1M | -3.7M | 32.97M | -36.94M | 109.61M | 9.92M | 140.62M | -24M | -4.91M | -32.64M | 50.09M | -26.36M | 25.4M | 2.1M | 49.1M | -1.47M | -1.63M |
| Equity Issued (Net) | 263.8M | -10.1M | -5.1M | -50.1M | -42.4M | 600K | -4.1M | -10.3M | -13.1M | -19.8M | -18.8M | -151.5M | -1M | -14.6M | -642K | -518K | 0 | 0 | -9.53M | 8.58M | 9.4M | 0 | 0 | 0 | 34.13M | -95K | -10.15M | -7.3M | 1.6M | 50.1M | 411K |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | -100K | -10.7M | -10.5M | -10.3M | -10.2M | -10.4M | -12.5M | -11.8M | -12.8M | -12.08M | -2.98M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -797K | -4.43M | -9.16M | -9.22M | -9.38M | -9.12M | -7.98M | -7.68M |
| Share Repurchases | -10.1M | -10.1M | -5.1M | -50.1M | -42.4M | 0 | -4.1M | -10.3M | -13.1M | -19.8M | -18.8M | -151.5M | -1M | -14.6M | -3.7M | -2.5M | 0 | 0 | -9.53M | 0 | 0 | 0 | 0 | 0 | -205K | -211K | -10.53M | -7.6M | 0 | -8.08M | -1.55M |
| Other Financing | -86.2M | -3.6M | 9.3M | 15.8M | 16.8M | 0 | -200K | 7.1M | 9.6M | 6.9M | 1.4M | -39.3M | 5.8M | -3.3M | -12.53M | -4.63M | 3.2M | 770K | 50.94M | 3.48M | -5.37M | -32K | -3.46M | 90K | -897K | 0 | 0 | -27K | 100K | 0 | 0 |
| Net Change in Cash | -800K | 13.1M | 14.3M | 22.9M | -1.3M | -364.5M | 383.6M | -500K | 31.3M | -20.9M | -23.5M | -34.5M | 13.9M | 7.6M | 10.29M | -21.94M | -33.13M | 3.11M | 26.07M | -38.42M | 71.4M | 9.33M | 11.86M | -5.37M | 20.71M | 12.57M | -7.01M | -8.97M | -34.48M | 18.1M | 11.12M |
| Free Cash Flow | 68.7M | 1.4M | 13.9M | -6.2M | 57.9M | 93.9M | -59.7M | 50M | 42.3M | -11.8M | -56.3M | -89.3M | 113.3M | 125.3M | 3M | -16.28M | 124.3M | 36.92M | -13.41M | -51.13M | -56.78M | 37.91M | 4.29M | 24.8M | -45.43M | 32.96M | -12.29M | -7.61M | 5.33M | -20.76M | 17.21M |
| FCF Margin % | 2.19% | 0.05% | 0.6% | -0.31% | 3.18% | 5.68% | -2.88% | 2.44% | 2.42% | -0.67% | -3.39% | -5.6% | 5.57% | 5.86% | 0.15% | -0.92% | 9.19% | 2.59% | -0.97% | -4.82% | -6.33% | 5.07% | 0.66% | 4.09% | -7.11% | 3.77% | -1.2% | -0.83% | 0.68% | -3.52% | 3.41% |
| FCF Growth % | 1110.29% | -89.93% | 324.19% | -110.71% | -38.34% | 257.29% | -219.4% | 18.2% | 458.47% | 79.04% | 36.95% | -178.82% | -9.58% | 4078.06% | 118.42% | -113.1% | 236.71% | 375.33% | 73.78% | 9.95% | -249.79% | 784.39% | -82.72% | 154.6% | -237.83% | 368.11% | -61.62% | -242.76% | 125.66% | -220.61% | 178.44% |
| FCF per Share | 1.81 | 0.04 | 0.39 | -0.18 | 1.61 | 2.66 | -1.71 | 1.43 | 1.22 | -0.34 | -1.63 | -2.27 | 2.90 | 3.09 | 0.07 | -0.37 | 2.88 | 0.86 | -0.31 | -1.22 | -1.52 | 1.13 | 0.13 | 0.78 | -1.60 | 1.23 | -0.46 | -0.27 | 0.19 | -0.83 | 0.72 |
| FCF Conversion (FCF/Net Income) | 0.40x | 2.89x | 0.94x | 0.26x | 0.96x | 2.94x | -1.46x | 8.99x | 4.12x | 0.39x | 0.67x | -4.22x | 1.92x | 2.96x | 1.39x | 1.56x | 3.43x | 0.82x | 0.23x | -0.36x | -1.15x | 3.30x | 4.16x | -2.80x | 0.57x | 2.49x | 0.29x | 0.68x | 0.64x | 0.41x | 1.55x |
| Interest Paid | 35.4M | 74.4M | 31.9M | 11.1M | 2.1M | 0 | 0 | 8.8M | 7.2M | 4.4M | 4.7M | 0 | 33.8M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | -16.3M | 24.2M | 42.4M | 35.7M | 23.9M | 0 | 0 | 7M | 17M | 12.7M | 35.7M | 0 | 17.3M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Working capital volatility
According to reported financial data, AAR Corp.'s cash conversion remains highly erratic, with the OCF/NI ratio swinging from a low of -1.31 in 2026Q1 to a high of 2.69 in 2024Q4, indicating that net income is a poor proxy for actual cash generation.
The significant divergence between net income and operating cash flow suggests that accrual-based accounting adjustments, particularly regarding inventory and contract assets, frequently distort the company's reported profitability. Investors should monitor whether this volatility is a structural feature of long-term MRO contracts or a symptom of inconsistent working capital management.
As reported in recent filings, AAR Corp.'s free cash flow trajectory is characterized by extreme instability, oscillating between a peak of $74.7 million in 2026Q3 and a trough of -$53.6 million in 2026Q1, reflecting a business model that struggles to maintain consistent cash flow margins.
The inability to generate stable free cash flow suggests that the company's capital-intensive operations are highly sensitive to timing differences in parts procurement and service delivery. This inconsistency warrants further investigation into whether the company can achieve sustainable cash flow growth without recurring reliance on external financing or asset liquidation.
Based on the provided cash flow statements, working capital fluctuations appear to be the primary driver of cash flow volatility, with a massive $95.7 million outflow in 2026Q1 highlighting the company's vulnerability to inventory build-ups and delayed collections in the MRO cycle.
The frequent and large swings in working capital suggest that AAR Corp. may be struggling to optimize its inventory levels relative to its service contract demands. This pattern implies that the company's liquidity position is heavily dependent on the efficient management of its Used Serviceable Material inventory, which remains a significant operational risk.
As evidenced by the $209.7 million acquisition outflow in 2026Q2 and the $722.9 million spent in 2024Q4, AAR Corp. aggressively deploys capital toward inorganic growth, which appears to periodically overwhelm the company's ability to generate sufficient internal cash flow to fund these strategic expansions.
The reliance on large-scale acquisitions to drive growth suggests that management is prioritizing market share expansion over organic cash flow generation. Investors should monitor whether these acquisitions will eventually provide the margin accretion necessary to stabilize the company's cash flow profile or if they will continue to necessitate significant capital outlays.
Quick answers to the most common questions about buying AIR stock.
AAR Corp. (AIR) generated $36.1M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
AAR Corp. (AIR) generated $1.4M in free cash flow in 2025. Free cash flow is the cash left over after capital expenditures, which can be used to pay dividends, repurchase shares, or pay down debt.
AAR Corp. (AIR) spent $0.0M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
In 2025, AAR Corp. (AIR) spent $10.1M on share repurchases. This shows the company's commitment to returning capital to its equity investors.