Based on the most recent data from Jun 22, 2026, LUV's PEG ratio comes in at 0.42. This metric factors in a PE of 31.13 with an earnings growth rate of 73.3%. Relative to the 2.59 average from the previous four quarters, the PEG ratio has plunged by 84%.
Looking at the last ten years, LUV's PEG ratio has has been around 1.05 on average. At 0.42, today's PE to growth ratio sits 60% below its historical average. Within the last ten years, the Dec 2025 quarter recorded the highest PEG value at 9.88. At 0, the Sep 2022 quarter showed the minimum PEG ratio in this period.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 9.88 | 50.4 | 5.1% |
| 2024 | N/A | 43.1 | 0% |
| 2023 | N/A | 37.03 | -14.3% |
| 2022 | N/A | 37 | -44.8% |
| 2021 | 0.2 | 25.96 | 130.3% |
| 2020 | N/A | N/A | -227.1% |
| 2019 | N/A | 12.61 | -0.5% |
| 2018 | N/A | 10.81 | -22.9% |
| 2017 | 0.19 | 11.73 | 60.3% |
| 2016 | 2.6 | 14.32 | 5.5% |
| 2015 | 0.13 | 13.05 | 100% |
| 2014 | 0.46 | 25.65 | 55.7% |
| 2013 | 0.2 | 17.77 | 89.3% |
| 2012 | 0.13 | 18.29 | 143.5% |
| 2011 | N/A | 37.22 | -62.9% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 0.33 | 24.08 | 73.3% |
| Dec 2025 | 9.88 | 50.4 | 5.1% |
| Sep 2025 | 0.05 | 46.93 | 855.6% |
| Jun 2025 | 0.1 | 47.01 | 475% |
| Mar 2025 | 1.03 | 37.31 | 36.4% |
| Dec 2024 | N/A | 43.1 | 0% |
| Sep 2024 | N/A | N/A | -110.8% |
| Jun 2024 | N/A | 238.42 | -87.8% |
| Mar 2024 | N/A | 44.23 | -41.1% |
| Dec 2023 | N/A | 37.03 | -14.3% |
| Sep 2023 | N/A | 32.61 | -40.7% |
| Jun 2023 | N/A | 36.95 | -41.7% |
| Mar 2023 | 2.03 | 29.05 | 14.3% |
| Dec 2022 | N/A | 37 | -44.8% |
| Sep 2022 | 0 | 22.03 | 14,100% |
LUV's PEG ratio today is below the 3, 5 and 10-year averages.
Southwest Airlines's PEG of 0.42 is above the industry average but below the Industrials sector average. Compared to its Industrials sector average of 1.13, Southwest Airlines's PEG is 63% lower.
Compared to its peer stocks DAL and UAL, LUV's PEG ratio sits lower.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| LUV Southwest Airlines Co | 0.44 | $24.39B |
| SKYW Skywest Inc | 0.47 | $3.74B |
| DAL Delta Air Lines Inc | 0.6 | $56.92B |
| UAL United Airlines Holdings Inc | 6.72 | $39.45B |
| JBLU Jetblue Airways Corp | N/A | $2.08B |
| ALK Alaska Air Group Inc | N/A | $5.56B |
| AAL American Airlines Group Inc | N/A | $10.77B |
| ALGT Allegiant Travel CO | N/A | $1.92B |
LUV shows a PEG ratio of 0.42, per Jun 22, 2026 data.
LUV has a 3-year average PEG ratio of 2.28.
LUV has a 5-year average PEG ratio of 1.41.
The Dec 2025 quarter marked the ten years high at 9.88 for LUV's PEG ratio.
LUV currently has a PEG ratio 60% below its 10-year average.
Strong earnings growth relative to valuation produces LUV's low PEG ratio of 0.42.
The PEG ratio comes from taking PE and dividing by the rate at which earnings are growing (YoY TTM). As of Jun 22, 2026, Southwest Airlines has a P/E ratio of 31.13. Earnings grew at 73.3% over the TTM period ending Mar 2026. Applying the formula, this produces a price to earnings growth ratio of 0.42. PEG RATIO(0.42) = PE RATIO(31.13) / EPS GROWTH(73.3%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.