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Stock Comparison

FLYY vs ULCC vs SKY vs AAL vs UAL

Revenue, margins, valuation, and 5-year total return — side by side.

Live fundamentals10-year financials5-year price chart
FLYY
Spirit Aviation Holdings, Inc.

Airlines, Airports & Air Services

IndustrialsAMEX • US
Market Cap
5Y Perf.-54.7%
ULCC
Frontier Group Holdings, Inc.

Airlines, Airports & Air Services

IndustrialsNASDAQ • US
Market Cap$1.08B
5Y Perf.-77.6%
SKY
Champion Homes, Inc.

Residential Construction

Consumer CyclicalNYSE • US
Market Cap$3.81B
5Y Perf.+55.2%
AAL
American Airlines Group Inc.

Airlines, Airports & Air Services

IndustrialsNASDAQ • US
Market Cap$8.38B
5Y Perf.-41.6%
UAL
United Airlines Holdings, Inc.

Airlines, Airports & Air Services

IndustrialsNASDAQ • US
Market Cap$31.11B
5Y Perf.+76.2%

FLYY vs ULCC vs SKY vs AAL vs UAL — Key Financials

Market cap, revenue, margins, and valuation side-by-side.

Company Snapshot
FLYY logoFLYY
ULCC logoULCC
SKY logoSKY
AAL logoAAL
UAL logoUAL
IndustryAirlines, Airports & Air ServicesAirlines, Airports & Air ServicesResidential ConstructionAirlines, Airports & Air ServicesAirlines, Airports & Air Services
Market Cap$1.08B$3.81B$8.38B$31.11B
Revenue (TTM)$4.67B$3.80B$2.64B$55.99B$60.47B
Net Income (TTM)$-1.33B$-366M$214M$202M$3.67B
Gross Margin3.8%31.2%26.3%21.8%64.2%
Operating Margin-23.2%-11.4%9.8%3.0%8.4%
Forward P/E18.3x74.6x10.4x
Total Debt$6.81B$5.46B$131M$35.97B$31.04B
Cash & Equiv.$902M$671M$610M$1.69B$5.94B

FLYY vs ULCC vs SKY vs AAL vs UALLong-Term Stock Performance

Price return indexed to 100 at period start. Dividends excluded.

FLYY
ULCC
SKY
AAL
UAL
StockApr 21May 26Return
Frontier Group Hold… (ULCC)10022.4-77.6%
Champion Homes, Inc. (SKY)100155.2+55.2%
American Airlines G… (AAL)10058.4-41.6%
United Airlines Hol… (UAL)100176.2+76.2%

Price return only. Dividends and distributions are not included.

Quick Verdict: FLYY vs ULCC vs SKY vs AAL vs UAL

Each card shows where this stock fits in a portfolio — not just who wins on paper.

Bottom line: SKY leads in 4 of 7 categories (5-stock set), making it the strongest pick for growth and revenue expansion and profitability and margin quality. United Airlines Holdings, Inc. is the stronger pick specifically for valuation and capital efficiency and recent price momentum and sentiment. This set spans 2 sectors — these stocks serve different portfolio roles, not just different price points.
FLYY
Spirit Aviation Holdings, Inc.
The Industrials Pick

FLYY plays a supporting role in this comparison — it may shine differently against other peers.

Best for: industrials exposure
ULCC
Frontier Group Holdings, Inc.
The Industrials Pick

ULCC lags the leaders in this set but could rank higher in a more targeted comparison.

Best for: industrials exposure
SKY
Champion Homes, Inc.
The Income Pick

SKY carries the broadest edge in this set and is the clearest fit for income & stability and growth exposure.

  • Dividend streak 1 yrs, beta 0.97
  • Rev growth 22.7%, EPS growth 35.2%, 3Y rev CAGR 4.0%
  • 6.2% 10Y total return vs UAL's 118.9%
  • Lower volatility, beta 0.97, Low D/E 8.5%, current ratio 2.41x
Best for: income & stability and growth exposure
AAL
American Airlines Group Inc.
The Industrials Pick

Among these 5 stocks, AAL doesn't own a clear edge in any measured category.

Best for: industrials exposure
UAL
United Airlines Holdings, Inc.
The Value Play

UAL is the #2 pick in this set and the best alternative if value and momentum is your priority.

  • Lower P/E (10.4x vs 74.6x)
  • +21.9% vs FLYY's -93.8%
Best for: value and momentum
See the full category breakdown
CategoryWinnerWhy
GrowthSKY logoSKY22.7% revenue growth vs FLYY's -8.4%
ValueUAL logoUALLower P/E (10.4x vs 74.6x)
Quality / MarginsSKY logoSKY8.1% margin vs FLYY's -28.6%
Stability / SafetySKY logoSKYBeta 0.97 vs ULCC's 2.81, lower leverage
DividendsTieNone of these 5 stocks pay a meaningful dividend
Momentum (1Y)UAL logoUAL+21.9% vs FLYY's -93.8%
Efficiency (ROA)SKY logoSKY10.1% ROA vs FLYY's -15.5%, ROIC 16.9% vs -12.7%

FLYY vs ULCC vs SKY vs AAL vs UAL — Revenue Breakdown by Segment

How each company's revenue is distributed across its business units

FLYYSpirit Aviation Holdings, Inc.

Segment breakdown not available.

ULCCFrontier Group Holdings, Inc.
FY 2025
Passenger
38.1%$3.6B
Non-Fare Passenger Revenue
22.4%$2.1B
Aircraft Fare
15.7%$1.5B
Passenger Service Fees
10.0%$947M
Passenger Baggage
7.9%$746M
Passenger Seat Selection
3.1%$297M
Other Passenger Revenue
1.3%$127M
Other (1)
1.3%$126M
SKYChampion Homes, Inc.
FY 2024
Manufacturing
64.0%$1.6B
Retail
34.7%$862M
Transportation
1.3%$31M
AALAmerican Airlines Group Inc.
FY 2025
Passenger
49.5%$49.6B
Passenger Travel
45.5%$45.6B
Product and Service, Other
4.1%$4.2B
Cargo and Freight
0.8%$839M
UALUnited Airlines Holdings, Inc.
FY 2025
Passenger
96.8%$53.4B
Cargo and Freight
3.2%$1.8B

FLYY vs ULCC vs SKY vs AAL vs UAL — Financial Metrics

Side-by-side numbers across 5 stocks — who leads on profitability, valuation, growth, and risk.

BEST OVERALLSKYLAGGINGAAL

Income & Cash Flow (Last 12 Months)

SKY leads this category, winning 3 of 6 comparable metrics.

UAL is the larger business by revenue, generating $60.5B annually — 22.9x SKY's $2.6B. SKY is the more profitable business, keeping 8.1% of every revenue dollar as net income compared to FLYY's -28.6%. On growth, AAL holds the edge at +10.8% YoY revenue growth, suggesting stronger near-term business momentum.

MetricFLYY logoFLYYSpirit Aviation H…ULCC logoULCCFrontier Group Ho…SKY logoSKYChampion Homes, I…AAL logoAALAmerican Airlines…UAL logoUALUnited Airlines H…
RevenueTrailing 12 months$4.7B$3.8B$2.6B$56.0B$60.5B
EBITDAEarnings before interest/tax-$764M-$300M$306M$3.7B$8.1B
Net IncomeAfter-tax profit-$1.3B-$366M$214M$202M$3.7B
Free Cash FlowCash after capex-$950M-$481M$260M$1.9B$3.2B
Gross MarginGross profit ÷ Revenue+3.8%+31.2%+26.3%+21.8%+64.2%
Operating MarginEBIT ÷ Revenue-23.2%-11.4%+9.8%+3.0%+8.4%
Net MarginNet income ÷ Revenue-28.6%-9.6%+8.1%+0.4%+6.1%
FCF MarginFCF ÷ Revenue-20.3%-12.6%+9.9%+3.4%+5.3%
Rev. Growth (YoY)Latest quarter vs prior year-20.4%+8.8%+1.8%+10.8%+10.6%
EPS Growth (YoY)Latest quarter vs prior year-5.2%-3.0%+19.4%+84.5%
SKY leads this category, winning 3 of 6 comparable metrics.

Valuation Metrics

UAL leads this category, winning 4 of 6 comparable metrics.

At 9.4x trailing earnings, UAL trades at a 87% valuation discount to AAL's 74.6x P/E. On an enterprise value basis, UAL's 7.3x EV/EBITDA is more attractive than AAL's 12.4x.

MetricFLYY logoFLYYSpirit Aviation H…ULCC logoULCCFrontier Group Ho…SKY logoSKYChampion Homes, I…AAL logoAALAmerican Airlines…UAL logoUALUnited Airlines H…
Market CapShares × price$1.1B$3.8B$8.4B$31.1B
Enterprise ValueMkt cap + debt − cash$5.9B$3.3B$42.7B$56.2B
Trailing P/EPrice ÷ TTM EPS-0.03x-7.87x20.17x74.65x9.38x
Forward P/EPrice ÷ next-FY EPS est.18.29x10.43x
PEG RatioP/E ÷ EPS growth rate0.74x
EV / EBITDAEnterprise value multiple11.84x12.39x7.35x
Price / SalesMarket cap ÷ Revenue0.29x1.54x0.15x0.53x
Price / BookPrice ÷ Book value/share2.21x2.59x2.05x
Price / FCFMarket cap ÷ FCF20.04x12.17x
UAL leads this category, winning 4 of 6 comparable metrics.

Profitability & Efficiency

SKY leads this category, winning 7 of 9 comparable metrics.

UAL delivers a 24.9% return on equity — every $100 of shareholder capital generates $25 in annual profit, vs $-3 for FLYY. SKY carries lower financial leverage with a 0.08x debt-to-equity ratio, signaling a more conservative balance sheet compared to ULCC's 11.13x. On the Piotroski fundamental quality scale (0–9), UAL scores 8/9 vs ULCC's 0/9, reflecting strong financial health.

MetricFLYY logoFLYYSpirit Aviation H…ULCC logoULCCFrontier Group Ho…SKY logoSKYChampion Homes, I…AAL logoAALAmerican Airlines…UAL logoUALUnited Airlines H…
ROE (TTM)Return on equity-2.8%-88.6%+13.4%+24.9%
ROA (TTM)Return on assets-15.5%-5.3%+10.1%+0.3%+4.7%
ROICReturn on invested capital-12.7%-2.3%+16.9%+3.5%+9.1%
ROCEReturn on capital employed-14.2%-3.2%+14.8%+3.9%+9.3%
Piotroski ScoreFundamental quality 0–940768
Debt / EquityFinancial leverage11.13x0.08x2.03x
Net DebtTotal debt minus cash$5.9B$4.8B-$479M$34.3B$25.1B
Cash & Equiv.Liquid assets$902M$671M$610M$1.7B$5.9B
Total DebtShort + long-term debt$6.8B$5.5B$131M$36.0B$31.0B
Interest CoverageEBIT ÷ Interest expense-6.12x-29.29x51.32x2.45x4.61x
SKY leads this category, winning 7 of 9 comparable metrics.

Total Returns (Dividends Reinvested)

UAL leads this category, winning 4 of 6 comparable metrics.

A $10,000 investment in UAL five years ago would be worth $18,789 today (with dividends reinvested), compared to $190 for FLYY. Over the past 12 months, UAL leads with a +21.9% total return vs FLYY's -93.8%. The 3-year compound annual growth rate (CAGR) favors UAL at 28.6% vs FLYY's -73.3% — a key indicator of consistent wealth creation.

MetricFLYY logoFLYYSpirit Aviation H…ULCC logoULCCFrontier Group Ho…SKY logoSKYChampion Homes, I…AAL logoAALAmerican Airlines…UAL logoUALUnited Airlines H…
YTD ReturnYear-to-date+3.3%-18.8%-18.0%-15.2%
1-Year ReturnPast 12 months-93.8%+13.5%-25.5%+8.7%+21.9%
3-Year ReturnCumulative with dividends-98.1%-39.6%-0.1%-9.5%+112.6%
5-Year ReturnCumulative with dividends-98.1%-76.2%+74.5%-38.9%+87.9%
10-Year ReturnCumulative with dividends-98.1%-75.0%+620.2%-54.7%+118.9%
CAGR (3Y)Annualised 3-year return-73.3%-15.5%-0.0%-3.3%+28.6%
UAL leads this category, winning 4 of 6 comparable metrics.

Risk & Volatility

Evenly matched — SKY and UAL each lead in 1 of 2 comparable metrics.

SKY is the less volatile stock with a 0.97 beta — it tends to amplify market swings less than ULCC's 2.81 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. UAL currently trades 80.4% from its 52-week high vs FLYY's 5.4% drawdown — a narrower gap to the peak suggests stronger recent price momentum.

MetricFLYY logoFLYYSpirit Aviation H…ULCC logoULCCFrontier Group Ho…SKY logoSKYChampion Homes, I…AAL logoAALAmerican Airlines…UAL logoUALUnited Airlines H…
Beta (5Y)Sensitivity to S&P 5001.94x2.81x0.97x1.95x2.25x
52-Week HighHighest price in past year$7.04$6.66$99.17$16.50$119.21
52-Week LowLowest price in past year$0.16$3.02$59.44$10.09$71.55
% of 52W HighCurrent price vs 52-week peak+5.4%+70.9%+69.5%+76.9%+80.4%
RSI (14)Momentum oscillator 0–10026.063.435.358.852.7
Avg Volume (50D)Average daily shares traded134K5.8M514K65.7M8.0M
Evenly matched — SKY and UAL each lead in 1 of 2 comparable metrics.

Analyst Outlook

SKY leads this category, winning 1 of 1 comparable metric.

Analyst consensus: ULCC as "Hold", SKY as "Buy", AAL as "Buy", UAL as "Buy". Consensus price targets imply 53.7% upside for SKY (target: $106) vs 25.3% for AAL (target: $16).

MetricFLYY logoFLYYSpirit Aviation H…ULCC logoULCCFrontier Group Ho…SKY logoSKYChampion Homes, I…AAL logoAALAmerican Airlines…UAL logoUALUnited Airlines H…
Analyst RatingConsensus buy/hold/sellHoldBuyBuyBuy
Price TargetConsensus 12-month target$6.67$106.00$15.90$136.10
# AnalystsCovering analysts1383747
Dividend YieldAnnual dividend ÷ price
Dividend StreakConsecutive years of raises0100
Dividend / ShareAnnual DPS
Buyback YieldShare repurchases ÷ mkt cap0.0%+2.1%0.0%+2.0%
SKY leads this category, winning 1 of 1 comparable metric.
Key Takeaway

SKY leads in 3 of 6 categories (Income & Cash Flow, Profitability & Efficiency). UAL leads in 2 (Valuation Metrics, Total Returns). 1 tied.

Best OverallChampion Homes, Inc. (SKY)Leads 3 of 6 categories
Loading custom metrics...

FLYY vs ULCC vs SKY vs AAL vs UAL: Key Questions Answered

10 questions · data-driven answers · updated daily

01

Is FLYY or ULCC or SKY or AAL or UAL a better buy right now?

For growth investors, Champion Homes, Inc.

(SKY) is the stronger pick with 22. 7% revenue growth year-over-year, versus -8. 4% for Spirit Aviation Holdings, Inc. (FLYY). United Airlines Holdings, Inc. (UAL) offers the better valuation at 9. 4x trailing P/E (10. 4x forward), making it the more compelling value choice. Analysts rate Champion Homes, Inc. (SKY) a "Buy" — based on 8 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

02

Which has the better valuation — FLYY or ULCC or SKY or AAL or UAL?

On trailing P/E, United Airlines Holdings, Inc.

(UAL) is the cheapest at 9. 4x versus American Airlines Group Inc. at 74. 6x. On forward P/E, United Airlines Holdings, Inc. is actually cheaper at 10. 4x.

03

Which is the better long-term investment — FLYY or ULCC or SKY or AAL or UAL?

Over the past 5 years, United Airlines Holdings, Inc.

(UAL) delivered a total return of +87. 9%, compared to -98. 1% for Spirit Aviation Holdings, Inc. (FLYY). Over 10 years, the gap is even starker: SKY returned +620. 2% versus FLYY's -98. 1%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

04

Which is safer — FLYY or ULCC or SKY or AAL or UAL?

By beta (market sensitivity over 5 years), Champion Homes, Inc.

(SKY) is the lower-risk stock at 0. 97β versus Frontier Group Holdings, Inc. 's 2. 81β — meaning ULCC is approximately 189% more volatile than SKY relative to the S&P 500. On balance sheet safety, Champion Homes, Inc. (SKY) carries a lower debt/equity ratio of 8% versus 11% for Frontier Group Holdings, Inc. — giving it more financial flexibility in a downturn.

05

Which is growing faster — FLYY or ULCC or SKY or AAL or UAL?

By revenue growth (latest reported year), Champion Homes, Inc.

(SKY) is pulling ahead at 22. 7% versus -8. 4% for Spirit Aviation Holdings, Inc. (FLYY). On earnings-per-share growth, the picture is similar: Champion Homes, Inc. grew EPS 35. 2% year-over-year, compared to -257. 9% for Frontier Group Holdings, Inc.. Over a 3-year CAGR, FLYY leads at 15. 0% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

06

Which has better profit margins — FLYY or ULCC or SKY or AAL or UAL?

Champion Homes, Inc.

(SKY) is the more profitable company, earning 8. 0% net margin versus -25. 0% for Spirit Aviation Holdings, Inc. — meaning it keeps 8. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: SKY leads at 9. 5% versus -22. 5% for FLYY. At the gross margin level — before operating expenses — UAL leads at 64. 1%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

07

Is FLYY or ULCC or SKY or AAL or UAL more undervalued right now?

On forward earnings alone, United Airlines Holdings, Inc.

(UAL) trades at 10. 4x forward P/E versus 18. 3x for Champion Homes, Inc. — 7. 9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for SKY: 53. 7% to $106. 00.

08

Which pays a better dividend — FLYY or ULCC or SKY or AAL or UAL?

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

09

Is FLYY or ULCC or SKY or AAL or UAL better for a retirement portfolio?

For long-horizon retirement investors, Champion Homes, Inc.

(SKY) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 97), +620. 2% 10Y return). Frontier Group Holdings, Inc. (ULCC) carries a higher beta of 2. 81 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SKY: +620. 2%, ULCC: -75. 0%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

10

What are the main differences between FLYY and ULCC and SKY and AAL and UAL?

These companies operate in different sectors (FLYY (Industrials) and ULCC (Industrials) and SKY (Consumer Cyclical) and AAL (Industrials) and UAL (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: FLYY is a small-cap quality compounder stock; ULCC is a small-cap quality compounder stock; SKY is a small-cap high-growth stock; AAL is a small-cap quality compounder stock; UAL is a mid-cap deep-value stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.

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  • Revenue Growth > 5%
  • Gross Margin > 18%
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  • Sector: Consumer Cyclical
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  • Net Margin > 5%
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UAL

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  • Market Cap > $100B
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Find stocks that outperform FLYY and ULCC and SKY and AAL and UAL on the metrics below

Revenue Growth>
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(FLYY: -20.4% · ULCC: 8.8%)

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