Ultra low-cost airline Frontier Group Holdings (NASDAQ: ULCC) reported revenue ahead of Wall Street’s expectations in Q4 CY2025, but sales were flat year on year at $997 million. Its non-GAAP profit of $0.23 per share was 71.8% above analysts’ consensus estimates.

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Company Overview

Recognizable for the colorful animals adorning each aircraft tail, Frontier Group Holdings (NASDAQ: ULCC) is an ultra low-cost airline that provides budget-friendly flights throughout the United States and select international destinations in the Americas.

Revenue Growth

A company’s long-term sales performance can indicate its overall quality. Any business can experience short-term success, but top-performing ones enjoy sustained growth for years. Over the last five years, Frontier grew its sales at a 24.4% annual rate. Although this growth is acceptable on an absolute basis, it fell slightly short of our standards for the consumer discretionary sector, which enjoys a number of secular tailwinds.

We at StockStory place the most emphasis on long-term growth, but within consumer discretionary, a stretched historical view may miss a company riding a successful new property or trend. Frontier’s recent performance shows its demand has slowed as its annualized revenue growth of 1.9% over the last two years was below its five-year trend.

This quarter, Frontier’s $997 million of revenue was flat year on year but beat Wall Street’s estimates by 2.3%.

Looking ahead, sell-side analysts expect revenue to grow 16.6% over the next 12 months, an improvement versus the last two years. This projection is noteworthy and suggests its newer products and services will spur better top-line performance.

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Operating Margin

Operating margin is an important measure of profitability as it shows the portion of revenue left after accounting for all core expenses – everything from the cost of goods sold to advertising and wages. It’s also useful for comparing profitability across companies with different levels of debt and tax rates because it excludes interest and taxes.

Frontier’s operating margin has shrunk over the last 12 months and averaged negative 1.2% over the last two years. Unprofitable consumer discretionary companies with falling margins deserve extra scrutiny because they’re spending loads of money to stay relevant, an unsustainable practice.

This quarter, Frontier generated an operating margin profit margin of 4.9%, in line with the same quarter last year. This indicates the company’s overall cost structure has been relatively stable.

Earnings Per Share

We track the long-term change in earnings per share (EPS) for the same reason as long-term revenue growth. Compared to revenue, however, EPS highlights whether a company’s growth is profitable.

Although Frontier’s full-year earnings are still negative, it reduced its losses and improved its EPS by 19.5% annually over the last four years. The next few quarters will be critical for assessing its long-term profitability.

In Q4, Frontier reported adjusted EPS of $0.23, in line with the same quarter last year. This print easily cleared analysts’ estimates, and shareholders should be content with the results. Over the next 12 months, Wall Street expects Frontier to improve its earnings losses. Analysts forecast its full-year EPS of negative $0.61 will advance to negative $0.04.

Key Takeaways from Frontier’s Q4 Results

It was good to see Frontier beat analysts’ EPS expectations this quarter. We were also glad its full-year EPS guidance trumped Wall Street’s estimates. On the other hand, its EPS guidance for next quarter missed. Overall, we think this was a decent quarter with some key metrics above expectations. The stock traded up 4.1% to $6.21 immediately following the results.

Frontier may have had a good quarter, but does that mean you should invest right now? If you’re making that decision, you should consider the bigger picture of valuation, business qualities, as well as the latest earnings. We cover that in our actionable full research report which you can read here (it’s free).