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LUV vs ULCC: Correlation

Southwest Airlines (LUV) and Frontier Group Holdings, Inc. (ULCC) show a moderate relationship: their 3-year correlation of weekly returns is 0.55.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.55
moderate
Correlation (1Y)
0.67
last 12 months
Correlation (5Y)
0.56
long-run
Ann. covariance
1812.4
%² · weekly, annualized

How correlated are LUV and ULCC?

On 3 years of weekly data the LUV/ULCC correlation comes out at 0.55, moderate. The link has tightened recently: the 1-year correlation (0.67) runs above the 3-year figure (0.55). The 5-year figure is 0.56, and annualized covariance runs at 1812.4 %².

Among the 32 assets we track against LUV, ULCC ranks #11 by 3-year correlation. Neither side won the trailing year by much: +22.0% against +23.4%. Note the risk asymmetry: ULCC runs 2.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

LUV vs ULCC: side by side

LUV (Southwest Airlines)ULCC (Frontier Group Holdings, Inc.)
1-year return+22.0%+23.4%
5-year return-12.3%-61.9%
Volatility (ann.)40.5%81.0%
Beta vs S&P 5001.112.06
Max drawdown (3Y)-33.5%-70.4%
Market cap$19.5B$1.4B
P/E (trailing)25.5
Dividend yield1.77%0.00%
Sector / categoryIndustrialsUS Listed
Higher yield: LUV 1.77% vs 0.00%Smaller drawdown: LUV -33.5% vs -70.4%Higher 5y return: LUV -12.3% vs -61.9%
-39%0%+74%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). LUV · ULCC

Year-by-year returns

YearLUVULCC
2022-21.4%-24.3%
2023-11.8%-46.8%
2024+19.1%+30.2%
2025+25.6%-33.8%
2026-3.0%+25.5%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are LUV and ULCC good diversifiers for each other?

To a limited degree. At 0.55 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between LUV and ULCC?

The LUV/ULCC correlation stands at 0.55 on a 3-year window (1 year: 0.67, 5 years: 0.56), computed from weekly returns as of 2026-08-27.

Is ULCC a good diversifier for LUV?

To a limited degree. At 0.55 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.55 mean?

On the −1 to +1 scale, 0.55 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/luv-vs-ulcc.json

LUV vs ULCC: 3-year weekly correlation 0.55LUV vs ULCC0.55

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Hubs: LUV correlations · ULCC correlations