Free cash flow volatility remains extreme, swinging from a $3.0 billion outflow in 2023Q4 to a $3.1 billion inflow in 2026Q1, reflecting the cyclical nature of capital-intensive fleet investments.
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 | Dec'96 |
|---|
| Cash from Operations | 9.52B | 8.43B | 9.45B | 6.91B | 6.07B | 2.07B | -4.13B | 6.91B | 6.16B | 3.47B | 5.54B | 5.99B | 2.63B | 1.44B | 935M | 2.41B | 1.91B | 966M | -1.24B | 2.13B | 1.56B | 1.08B | -49M | 1B | -1.14B | -160M | 2.47B | 2.42B | 3.19B | 2.57B | 2.45B |
| Operating CF Margin % | - | 14.27% | 16.55% | 12.87% | 13.49% | 8.39% | -26.92% | 15.97% | 14.92% | 9.19% | 15.16% | 15.83% | 6.77% | 3.77% | 2.52% | 6.49% | 8.21% | 5.91% | -6.14% | 10.59% | 8.08% | 6.21% | -0.3% | 7.29% | -7.97% | -0.92% | 12.77% | 13.43% | 18.19% | 14.77% | 14.99% |
| Operating CF Growth % | -54.43% | -10.74% | 36.67% | 13.93% | 193.47% | 150.01% | -159.82% | 12.09% | 77.43% | -37.31% | -7.51% | 127.49% | 82.41% | 54.44% | -61.17% | 26.27% | 97.41% | 177.97% | -158.06% | 36.62% | 44.76% | 2302.04% | -104.9% | 187.88% | -611.88% | -106.47% | 2.11% | -24.2% | 24.43% | 4.65% | 51.05% |
| Net Income | 3.67B | 0 | 3.15B | 2.62B | 737M | -1.96B | -7.07B | 3.01B | 2.12B | 2.14B | 2.23B | 7.34B | 1.13B | 571M | -723M | 840M | 253M | -651M | -5.35B | 403M | 25M | -575M | -1.11B | 0 | -3.21B | -2.15B | 50M | 1.24B | 821M | 958M | 600M |
| Depreciation & Amortization | 0 | 0 | 2.93B | 2.67B | 2.46B | 2.48B | 2.49B | 2.29B | 2.17B | 2.15B | 1.98B | 1.82B | 1.68B | 1.69B | 1.44B | 1.55B | 1.08B | 902M | 932M | 925M | 873M | 873M | 874M | 938M | 970M | 1.93B | 1.06B | 867M | 793M | 724M | 759M |
| Stock-Based Compensation | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 73M | 0 | 58M | 0 | 11M | 14M | 17M | 14M | 21M | 31M | 49M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 0 | 0 | 935M | 756M | 248M | -583M | -1.74B | 882M | 512M | 957M | 1.65B | -3.18B | 13M | -14M | 13M | -6M | 6M | -16M | -26M | 310M | 21M | 0 | 0 | 0 | 665M | 0 | 317M | 590M | 307M | 194M | 69M |
| Other Non-Cash Items | 8.82B | 8.43B | 532M | 202M | 370M | 459M | 1.96B | 207M | 582M | 51M | 529M | 304M | 57M | 57M | 341M | -63M | 264M | 843M | 3.42B | 137M | 644M | 781M | -124M | -669M | 835M | -762M | 426M | 32M | 1.2B | 877M | 846M |
| Working Capital Changes | 0 | 0 | 1.9B | 664M | 2.25B | 1.67B | 227M | 523M | 783M | -1.9B | -846M | -352M | -247M | -870M | -151M | 73M | 291M | -133M | -246M | 310M | -1M | 0 | 311M | 732M | -397M | 815M | 621M | -306M | 77M | -186M | 179M |
| Change in Receivables | 0 | 0 | 280M | -100M | -158M | -448M | 135M | 44M | 17M | 0 | 0 | 0 | 209M | 0 | 0 | 0 | 0 | 105M | 195M | 0 | 131M | 109M | 0 | 0 | 262M | 0 | 68M | 0 | 0 | 0 | 0 |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 0 | 0 | 178M | 572M | 796M | 985M | -1.08B | 324M | 130M | 66M | 239M | -77M | -251M | -265M | 285M | 177M | 255M | 94M | -48M | 200M | 59M | -40M | 101M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -6.78B | -6.35B | -2.65B | -6.11B | -13.83B | -1.67B | 50M | -4.56B | -4.46B | -3.93B | -3.24B | -2.49B | -2.26B | -2.02B | -1.96B | -1.8B | 3.32B | -80M | 2.72B | -2.56B | -250M | -291M | -322M | 271M | 71M | -1.97B | -2.52B | -1.62B | -2.32B | -2.3B | -983M |
| Capital Expenditures | -6.31B | -5.87B | -5.62B | -7.17B | -4.82B | -2.11B | -1.73B | -4.53B | -4.07B | -3.87B | -3.22B | -2.75B | -2B | -2.16B | -2.02B | -700M | -371M | -317M | -415M | -658M | -362M | -470M | -267M | -150M | -157M | -1.95B | -2.54B | -2.39B | -2.83B | -2.81B | -1.54B |
| CapEx % of Revenue | 10.44% | 9.94% | 9.84% | 13.35% | 10.72% | 8.55% | 11.25% | 10.47% | 9.85% | 10.24% | 8.82% | 7.25% | 5.15% | 5.65% | 5.43% | 1.89% | 1.6% | 1.94% | 2.06% | 3.27% | 1.87% | 2.7% | 1.63% | 1.09% | 1.1% | 11.22% | 13.11% | 13.25% | 16.13% | 16.18% | 9.4% |
| Acquisitions | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -36M | -139M | -2M | 28M | 0 | 0 | 0 | 0 | 0 | 3.7B | 243M | -2.2B | 19M | 39M | 0 | 0 | 0 | 0 | -32M | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -126M | 3M | 112M | 16M | 138M | 106M | 10M | -59M | -310M | 6M | 13M | 64M | 206M | 262M | 304M | -201M | -7M | -26M | 3.04B | 30M | 142M | 174M | -273M | 111M | -324M | 30M | 156M | -109M | 514M | 511M | 73M |
| Cash from Financing | -4.44B | -4.95B | -4.18B | -1.89B | -3.35B | 6.4B | 12.96B | -1.28B | -1.5B | -383M | -3.21B | -2.5B | -1.6B | -972M | -454M | -2.43B | -200M | 117M | -702M | -2.15B | 782M | -110M | -72M | -336M | 266M | 2.14B | 1.42B | -877M | -781M | -200M | -1.44B |
| Debt Issued (Net) | -4.04B | -4.19B | -4B | -1.86B | -3.27B | 5.89B | 11.23B | 395M | -212M | 1.66B | -543M | -1.23B | -1.2B | -896M | -467M | -2.47B | -454M | -126M | -702M | -2.25B | 770M | -379M | -424M | -564M | -741M | 2.02B | 1.73B | -598M | 519M | 149M | -903M |
| Equity Issued (Net) | -315M | -637M | -162M | 0 | 0 | 532M | 1.75B | -1.65B | -1.24B | -1.84B | -2.61B | -1.23B | -312M | -3M | 0 | 0 | -3M | 220M | 96M | -11M | 6M | 0 | 0 | 0 | 0 | 0 | -81M | -261M | -462M | -250M | -84M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | -353M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -253M | 0 | 0 | 0 | 0 | 0 | -7M | -88M | -118M | -10M | -10M | -10M | -22M |
| Share Repurchases | -315M | -637M | -162M | 0 | 0 | 0 | -353M | -1.65B | -1.24B | -1.84B | -2.61B | -1.23B | -312M | -3M | -4M | 0 | -3M | -2M | -11M | -11M | -4M | 0 | 0 | 0 | 0 | -81M | -81M | -261M | -462M | -250M | -84M |
| Other Financing | -84M | -115M | -21M | -32M | -74M | -27M | 333M | -30M | -54M | -199M | -56M | -34M | -86M | -73M | 13M | 41M | 257M | 23M | 157M | 117M | 6M | 269M | 352M | 228M | 1.01B | 206M | -113M | -8M | -828M | -89M | -426M |
| Net Change in Cash | -1.7B | -2.87B | 2.61B | -1.09B | -11.11B | 6.79B | 8.87B | 1.07B | 208M | -712M | -909M | 1B | -1.22B | -1.55B | -1.48B | -1.82B | 5.03B | 1B | 780M | -2.57B | 2.07B | 538M | -417M | 754M | -802M | 9M | 1.37B | -80M | 95M | 66M | 35M |
| Free Cash Flow | 3.21B | 2.56B | 3.83B | -260M | 1.25B | -40M | -5.86B | 2.38B | 2.09B | -396M | 2.32B | 3.25B | 629M | -720M | -1.08B | 1.71B | 1.54B | 649M | -1.65B | 1.48B | 1.2B | 609M | -168M | 851M | -1.3B | -2.11B | -66M | 32M | 362M | -245M | 915M |
| FCF Margin % | 5.3% | 4.33% | 6.71% | -0.48% | 2.77% | -0.16% | -38.16% | 5.5% | 5.07% | -1.05% | 6.34% | 8.57% | 1.62% | -1.88% | -2.91% | 4.6% | 6.61% | 3.97% | -8.19% | 7.33% | 6.2% | 3.5% | -1.03% | 6.2% | -9.07% | -12.13% | -0.34% | 0.18% | 2.06% | -1.41% | 5.59% |
| FCF Growth % | -33.55% | -33.24% | 1573.08% | -120.85% | 3217.5% | 99.32% | -346.12% | 13.71% | 628.79% | -117.08% | -28.54% | 415.9% | 187.36% | 33.4% | -163.29% | 11.2% | 136.67% | 139.24% | -212.06% | 23% | 97.04% | 462.5% | -119.74% | 165.66% | 38.61% | -3098.48% | -306.25% | -91.16% | 247.76% | -126.78% | -43.66% |
| FCF per Share | 9.81 | 7.82 | 11.49 | -0.78 | 3.78 | -0.12 | -20.97 | 9.16 | 7.57 | -1.30 | 7.02 | 8.61 | 1.61 | -1.85 | -3.27 | 4.46 | 6.07 | 4.31 | -13.04 | 9.60 | 10.33 | 5.24 | -1.48 | 8.29 | -11.83 | -19.27 | -0.60 | 0.29 | 3.44 | -2.33 | 8.68 |
| FCF Conversion (FCF/Net Income) | 0.88x | 2.51x | 3.00x | 2.64x | 8.23x | -1.05x | 0.58x | 2.30x | 2.90x | 1.62x | 2.45x | 0.82x | 2.33x | 2.53x | -1.29x | 2.87x | 7.54x | -1.48x | 0.23x | 5.30x | 0.07x | -0.05x | 0.03x | -0.36x | 0.35x | 0.07x | 49.44x | 1.96x | 3.89x | 2.70x | 4.60x |
| Interest Paid | 0 | 0 | 1.49B | 1.85B | 1.57B | 0 | 0 | 648M | 651M | 571M | 584M | 660M | 748M | 0 | 0 | 0 | 0 | 0 | 412M | 614M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 88M | 7M | 8M | 0 | 0 | 29M | 19M | 20M | 14M | 15M | -16M | 0 | 0 | 0 | 0 | 0 | 3M | 10M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
High Capital Expenditure Intensity
According to recent quarterly filings, the OCF/NI ratio has exhibited extreme volatility, ranging from a negative 22.96 in 2024Q1 to a positive 9.59 in 2025Q1, suggesting that reported net income is a poor proxy for the company's underlying cash-generating capacity in any given period.
The significant disconnect between net income and operating cash flow indicates that non-cash items and working capital swings heavily influence reported profitability. Investors should monitor this divergence closely, as it implies that accounting earnings may be masking the true cash-generative volatility inherent in the airline's current operational model.
As reported in financial statements, free cash flow has fluctuated wildly between a $3.0 billion outflow in 2023Q4 and a $3.1 billion inflow in 2026Q1, highlighting the cyclical and capital-intensive nature of the company's current financial trajectory during its fleet modernization phase.
The inconsistent FCF margins, which swung from -21.8% to 21.4% over the observed period, suggest that the company's cash flow profile is highly sensitive to the timing of aircraft deliveries and seasonal demand shifts. This instability warrants further investigation into whether the current FCF improvement is sustainable or merely a temporary byproduct of deferred capital outlays.
Based on UAL's reported figures, capital expenditures have remained consistently elevated, peaking at $2.1 billion in 2023Q4 and maintaining a high intensity relative to revenue, which averaged over 10% across the last ten quarters as the company executes its aggressive fleet renewal strategy.
The sustained high level of CapEx relative to revenue suggests that the company is prioritizing long-term fleet efficiency over near-term cash preservation. This capital-intensive approach appears to be a structural commitment that will likely continue to constrain free cash flow until the 'United Next' fleet transition reaches a more mature stage.
Data from recent quarterly reports indicates that despite significant capital expenditure requirements, the company has continued to deploy cash toward share repurchases, with buybacks totaling $349 million in 2025Q1, even as free cash flow remains subject to substantial quarterly swings.
The decision to prioritize share repurchases while simultaneously funding a massive aircraft order book may indicate management's confidence in long-term cash generation. However, investors should monitor whether this capital allocation strategy remains prudent if the current volatility in operating cash flow persists or if macroeconomic headwinds intensify.
Quick answers to the most common questions about buying UAL stock.
United Airlines Holdings, Inc. (UAL) generated $8.43B in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
United Airlines Holdings, Inc. (UAL) generated $2.56B 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.
United Airlines Holdings, Inc. (UAL) spent $5.87B 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, United Airlines Holdings, Inc. (UAL) spent $637.0M on share repurchases. This shows the company's commitment to returning capital to its equity investors.