SOUTHWEST AIRLINES CO. (LUV) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value (m); Formula and calculation Share-based compensation / revenue. Period ending 2026-06-30..
- Interest coverage · 12 months: Value (m); Formula and calculation Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified..
Spending and interest coverage
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | (m) | Research and development expense / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | (m) | Share-based compensation / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Interest coverage · 12 months | (m) | Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified. Calculation unavailable: missing inputs remain (m). |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | (m) | |
| Revenue | 30.07B USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | (m) | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 1.04B USD | Operating Income (Loss) |
| Interest expense · reported / estimated | (m) | Interest Expense · Estimated expense assumptions |
Latest interest expense basis: (m). Estimated values carry *; expand each history row’s basis for its dated balances and rate assumptions.
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Research and development spending (USD) | Revenue (USD) | Stock-based compensation (USD) | Operating income (USD) | Interest expense · reported / estimated (USD) | R&D / revenue | SBC / revenue | Interest coverage | Interest expense basis |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | (m) | $30.07B | (m) | $1.04B | (m) | (m) | (m) | (m) | (m) |
| 2026-03-31 | (m) | $28.88B | (m) | $981.00M | (m) | (m) | (m) | (m) | (m) |
| 2025-12-31 | (m) | $28.06B | (m) | $428.00M | (m) | (m) | (m) | (m) | (m) |
| 2025-09-30 | (m) | $27.55B | (m) | $315.00M | (m) | (m) | (m) | (m) | (m) |
| 2025-06-30 | (m) | $27.47B | (m) | $317.00M | (m) | (m) | (m) | (m) | (m) |
| 2025-03-31 | (m) | $27.58B | (m) | $491.00M | (m) | (m) | (m) | (m) | (m) |
| 2024-12-31 | (m) | $27.48B | (m) | $321.00M | (m) | (m) | (m) | (m) | (m) |
| 2024-09-30 | (m) | $27.38B | (m) | $-361.00M | (m) | (m) | (m) | (m) | (m) |
| 2024-06-30 | (m) | $27.03B | (m) | $-281.00M | (m) | (m) | (m) | (m) | (m) |
| 2024-03-31 | (m) | $26.71B | (m) | $115.00M | (m) | (m) | (m) | (m) | (m) |
| 2023-12-31 | (m) | $26.09B | (m) | $224.00M | (m) | (m) | (m) | (m) | (m) |
| 2023-09-30 | (m) | $25.44B | (m) | $243.00M | (m) | (m) | (m) | (m) | (m) |
| 2023-06-30 | (m) | $25.14B | (m) | $521.00M | (m) | (m) | (m) | (m) | (m) |
| 2023-03-31 | (m) | $24.83B | (m) | $884.00M | (m) | (m) | (m) | (m) | (m) |
| 2022-12-31 | (m) | $23.81B | (m) | $1.02B | (m) | (m) | (m) | (m) | (m) |
| 2022-09-30 | (m) | $22.69B | (m) | $1.60B | (m) | (m) | (m) | (m) | (m) |
| 2022-06-30 | (m) | $21.15B | (m) | $1.94B | (m) | (m) | (m) | (m) | (m) |
| 2022-03-31 | (m) | $18.43B | (m) | $1.37B | (m) | (m) | (m) | (m) | (m) |
| 2021-12-31 | (m) | $15.79B | (m) | $1.72B | (m) | (m) | (m) | (m) | (m) |
| 2021-09-30 | (m) | $12.75B | (m) | $358.00M | (m) | (m) | (m) | (m) | (m) |
| 2021-06-30 | (m) | $9.87B | (m) | $-1.79B | (m) | (m) | (m) | (m) | (m) |
| 2021-03-31 | (m) | $6.87B | (m) | $-3.51B | (m) | (m) | (m) | (m) | (m) |
| 2020-12-31 | (m) | $9.05B | (m) | $-3.82B | (m) | (m) | (m) | (m) | (m) |
| 2020-09-30 | (m) | $12.77B | (m) | $-1.98B | (m) | (m) | (m) | (m) | (m) |
| 2020-06-30 | (m) | $16.61B | (m) | $247.00M | (m) | (m) | (m) | (m) | (m) |
| 2020-03-31 | (m) | $21.51B | (m) | $2.34B | (m) | (m) | (m) | (m) | (m) |
| 2019-12-31 | (m) | $22.43B | (m) | $2.96B | $118.00M | (m) | (m) | 25.06× | Reported |
| 2019-09-30 | (m) | $22.40B | (m) | $3.11B | $122.00M | (m) | (m) | 25.51× | Reported |
| 2019-06-30 | (m) | $22.34B | (m) | $3.09B | $126.00M | (m) | (m) | 24.53× | Reported |
| 2019-03-31 | (m) | $22.17B | (m) | $3.10B | $130.00M | (m) | (m) | 23.81× | Reported |
| 2018-12-31 | (m) | $21.96B | (m) | $3.21B | $131.00M | (m) | (m) | 24.47× | Reported |
| 2018-09-30 | (m) | $21.54B | (m) | $3.23B | $129.00M | (m) | (m) | 25.07× | Reported |
| 2018-06-30 | (m) | $21.27B | (m) | $3.28B | $124.00M | (m) | (m) | 26.46× | Reported |
| 2018-03-31 | (m) | $21.26B | (m) | $3.52B | $117.00M | (m) | (m) | 30.13× | Reported |
| 2017-12-31 | (m) | $21.17B | (m) | $3.52B | $114.00M | (m) | (m) | 30.83× | Reported |
| 2017-09-30 | (m) | $20.97B | (m) | $3.59B | $113.00M | (m) | (m) | 31.74× | Reported |
| 2017-06-30 | (m) | $20.84B | (m) | $3.45B | $116.00M | (m) | (m) | 29.72× | Reported |
| 2017-03-31 | (m) | $20.48B | (m) | $3.47B | $121.00M | (m) | (m) | 28.71× | Reported |
| 2016-12-31 | (m) | $20.43B | (m) | $3.76B | $122.00M | (m) | (m) | 30.82× | Reported |
| 2016-09-30 | (m) | $20.33B | (m) | $3.94B | (m) | (m) | (m) | (m) | (m) |
| 2016-06-30 | (m) | $20.50B | (m) | $4.47B | (m) | (m) | (m) | (m) | (m) |
| 2016-03-31 | (m) | $20.23B | (m) | $4.28B | (m) | (m) | (m) | (m) | (m) |
| 2015-12-31 | (m) | $19.82B | (m) | $4.12B | (m) | (m) | (m) | (m) | (m) |
| 2015-09-30 | (m) | $19.47B | (m) | $3.71B | (m) | (m) | (m) | (m) | (m) |
| 2015-06-30 | (m) | $18.95B | (m) | $3.10B | (m) | (m) | (m) | (m) | (m) |
| 2015-03-31 | (m) | $18.85B | (m) | $2.79B | (m) | (m) | (m) | (m) | (m) |
| 2014-12-31 | (m) | $18.61B | (m) | $2.23B | (m) | (m) | (m) | (m) | (m) |
| 2014-09-30 | (m) | $18.41B | (m) | $1.99B | (m) | (m) | (m) | (m) | (m) |
| 2014-06-30 | (m) | $18.15B | (m) | $1.77B | (m) | (m) | (m) | (m) | (m) |
| 2014-03-31 | (m) | $17.78B | (m) | $1.42B | (m) | (m) | (m) | (m) | (m) |
| 2013-12-31 | (m) | $17.70B | (m) | $1.28B | (m) | (m) | (m) | (m) | (m) |
| 2013-09-30 | (m) | $17.44B | (m) | $984.00M | (m) | (m) | (m) | (m) | (m) |
| 2013-06-30 | (m) | $17.21B | (m) | $645.00M | (m) | (m) | (m) | (m) | (m) |
| 2013-03-31 | (m) | $17.18B | (m) | $671.00M | (m) | (m) | (m) | (m) | (m) |
| 2012-12-31 | (m) | $17.09B | (m) | $623.00M | (m) | (m) | (m) | (m) | (m) |
| 2012-09-30 | (m) | $17.02B | (m) | $679.00M | (m) | (m) | (m) | (m) | (m) |
| 2012-06-30 | (m) | $17.03B | (m) | $853.00M | (m) | (m) | (m) | (m) | (m) |
| 2012-03-31 | (m) | $16.55B | (m) | $601.00M | (m) | (m) | (m) | (m) | (m) |
| 2011-12-31 | (m) | $15.66B | (m) | $693.00M | (m) | (m) | (m) | (m) | (m) |
| 2011-09-30 | (m) | $12.10B | (m) | $988.00M | (m) | (m) | (m) | (m) | (m) |
| 2011-06-30 | (m) | $12.10B | (m) | $988.00M | (m) | (m) | (m) | (m) | (m) |
| 2011-03-31 | (m) | $12.58B | (m) | $1.05B | (m) | (m) | (m) | (m) | (m) |
| 2010-12-31 | (m) | $12.10B | (m) | $988.00M | (m) | (m) | (m) | (m) | (m) |
| 2010-09-30 | (m) | $11.70B | (m) | $939.00M | (m) | (m) | (m) | (m) | (m) |
| 2010-06-30 | (m) | $11.18B | (m) | $606.00M | (m) | (m) | (m) | (m) | (m) |
| 2010-03-31 | (m) | $10.62B | $13.00M | $366.00M | (m) | (m) | 0.12% | (m) | (m) |
| 2009-12-31 | (m) | $10.35B | $13.00M | $262.00M | (m) | (m) | 0.13% | (m) | (m) |
| 2009-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-12-31 | (m) | $11.02B | $18.00M | $449.00M | (m) | (m) | 0.16% | (m) | (m) |
| 2008-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2007-12-31 | (m) | $9.86B | $37.00M | $791.00M | (m) | (m) | 0.38% | (m) | (m) |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
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