Some say volatility, rather than debt, is the best way to think about risk as an investor, but Warren Buffett famously said that 'Volatility is far from synonymous with risk.' So it seems the smart money knows that debt - which is usually involved in bankruptcies - is a very important factor, when you assess how risky a company is. Importantly, United Airlines Holdings, Inc. (NASDAQ:UAL) does carry debt. But the more important question is: how much risk is that debt creating?

Why Does Debt Bring Risk?

Debt assists a business until the business has trouble paying it off, either with new capital or with free cash flow. In the worst case scenario, a company can go bankrupt if it cannot pay its creditors. While that is not too common, we often do see indebted companies permanently diluting shareholders because lenders force them to raise capital at a distressed price. Of course, plenty of companies use debt to fund growth, without any negative consequences. The first thing to do when considering how much debt a business uses is to look at its cash and debt together.

What Is United Airlines Holdings's Net Debt?

You can click the graphic below for the historical numbers, but it shows that United Airlines Holdings had US$25.5b of debt in September 2024, down from US$31.3b, one year before. However, it does have US$14.2b in cash offsetting this, leading to net debt of about US$11.3b.

How Strong Is United Airlines Holdings' Balance Sheet?

Zooming in on the latest balance sheet data, we can see that United Airlines Holdings had liabilities of US$23.4b due within 12 months and liabilities of US$37.8b due beyond that. On the other hand, it had cash of US$14.2b and US$2.04b worth of receivables due within a year. So its liabilities outweigh the sum of its cash and (near-term) receivables by US$45.0b.

When you consider that this deficiency exceeds the company's huge US$31.6b market capitalization, you might well be inclined to review the balance sheet intently. Hypothetically, extremely heavy dilution would be required if the company were forced to pay down its liabilities by raising capital at the current share price.

In order to size up a company's debt relative to its earnings, we calculate its net debt divided by its earnings before interest, tax, depreciation, and amortization (EBITDA) and its earnings before interest and tax (EBIT) divided by its interest expense (its interest cover). This way, we consider both the absolute quantum of the debt, as well as the interest rates paid on it.

United Airlines Holdings's net debt is sitting at a very reasonable 1.5 times its EBITDA, while its EBIT covered its interest expense just 6.4 times last year. While these numbers do not alarm us, it's worth noting that the cost of the company's debt is having a real impact. On the other hand, United Airlines Holdings's EBIT dived 15%, over the last year. If that rate of decline in earnings continues, the company could find itself in a tight spot. There's no doubt that we learn most about debt from the balance sheet. But ultimately the future profitability of the business will decide if United Airlines Holdings can strengthen its balance sheet over time. So if you're focused on the future you can check out this free report showing analyst profit forecasts.

Finally, a business needs free cash flow to pay off debt; accounting profits just don't cut it. So it's worth checking how much of that EBIT is backed by free cash flow. In the last three years, United Airlines Holdings's free cash flow amounted to 32% of its EBIT, less than we'd expect. That's not great, when it comes to paying down debt.

Our View

On the face of it, United Airlines Holdings's EBIT growth rate left us tentative about the stock, and its level of total liabilities was no more enticing than the one empty restaurant on the busiest night of the year. But on the bright side, its net debt to EBITDA is a good sign, and makes us more optimistic. Overall, it seems to us that United Airlines Holdings's balance sheet is really quite a risk to the business. So we're almost as wary of this stock as a hungry kitten is about falling into its owner's fish pond: once bitten, twice shy, as they say. The balance sheet is clearly the area to focus on when you are analysing debt. But ultimately, every company can contain risks that exist outside of the balance sheet. To that end, you should be aware of the 2 warning signs we've spotted with United Airlines Holdings .

If, after all that, you're more interested in a fast growing company with a rock-solid balance sheet, then check out our list of net cash growth stocks without delay.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.