The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • United Airlines is the larger company, worth $32.5B, about 2.1 times LATAM Airlines Group.
  • United Airlines grew revenue faster over the last year (+16.0% vs +11.2%).
  • LATAM Airlines Group keeps more of each dollar of revenue as operating profit (16.4% vs 7.8%).
  • United Airlines's price assumes faster free cash flow growth: about -1% a year, against -7% for LATAM Airlines Group (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureLTMUAL
Market cap$15.7B$32.5B
Share price$50.25$107.46
Revenue (last fiscal year)$14.3B$59.1B
Free cash flow (last fiscal year)$2.0B$2.6B
Revenue growth, last year+11.2%+16.0%
Revenue growth per year, last 5 fiscal years+30.7%+24.4%
Operating margin16.4%7.8%
Net margin10.2%5.6%
Return on equity108.5%20.9%
P/E (trailing)—8.95x
Price / free cash flow10.6x12.7x
EV / EBITDA5.15x5.99x
FCF growth the price implies-7.2%-0.97%
Dividend yield——
Debt / equity12.1x4.06x
Fundamental gradeBC
Superinvestors holding it10
Insider purchases, last 12 months06

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

LATAM Airlines Group

YearRevenueFree cash flowOp. margin
2021$4.9B-$771M-70.1%
2022$9.4B-$684M12.9%
2023$11.6B$1.5B9.3%
2024$12.8B$1.8B12.0%
2025$14.3B$2.0B16.4%

United Airlines

YearRevenueFree cash flowOp. margin
2021$24.6B-$40M-4.1%
2022$45.0B$1.2B5.2%
2023$53.7B-$260M7.8%
2024$57.1B$3.8B8.9%
2025$59.1B$2.6B8.0%

Where the revenue comes from

LATAM Airlines Group · by products, 2025

Passengers$12.6B88%
Cargo$1.7B12%

United Airlines · by products, 2025

Passenger revenue$53.4B90%
Other operating revenue$3.9B7%
Cargo revenue$1.8B3%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
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Questions

Which is bigger, LATAM Airlines Group or United Airlines?

United Airlines (UAL), at $32.5B against $15.7B.

Which grows faster, LTM or UAL?

United Airlines: revenue grew +16.0% over the last year, against +11.2%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.