Southwest Airlines Company (LUV) — Defensive Interval Ratio
Southwest Airlines Company (LUV) has a Defensive Interval Ratio of 50 days as of March 2026. Defensive assets of $1.70 Billion (cash $-, short-term investments $450.00 Million, receivables $1.25 Billion) cover 50 days of daily cash needs of $34.20 Million/day. Check how tangible is Southwest Airlines Company's equity to evaluate the tangible quality of the company's equity base.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Southwest Airlines Company Defensive Interval Ratio (1985–2025)
This chart shows how Southwest Airlines Company's Defensive Interval Ratio has evolved across 41 annual periods from 1985 to 2025. As of March 2026, the ratio stands at 50 days, meaning defensive assets of $1.70 Billion can fund 50 days of operations without new revenue. Also explore LUV shareholders equity momentum to track the company's year-over-year net asset growth rate.
Annual Defensive Interval Ratio for Southwest Airlines Company (1985–2025)
The table below presents the year-by-year Defensive Interval Ratio for Southwest Airlines Company from 1985 to 2025, covering 41 annual filings. Each row shows defensive assets, daily cash need, the DIR in days, and the change in days compared to the prior year. For live market cap and the full company financial profile, see Southwest Airlines Company stock valuation.
| Year | DIR (days) | Defensive Assets (USD) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2025 | 146 days | $4.38 Billion | $29.92 Million/day | $3.23 Billion | $0.00 | ▼ -146 days |
| 2024 | 292 days | $9.84 Billion | $33.63 Million/day | $7.51 Billion | $1.22 Billion | ▼ -84 days |
| 2023 | 376 days | $12.63 Billion | $33.58 Million/day | $9.29 Billion | $2.19 Billion | ▼ -93 days |
| 2022 | 469 days | $13.33 Billion | $28.43 Million/day | $9.49 Billion | $2.80 Billion | ▼ -203 days |
| 2021 | 672 days | $16.86 Billion | $25.11 Million/day | $12.48 Billion | $3.02 Billion | ▼ -32 days |
| 2020 | 703 days | $14.46 Billion | $20.56 Million/day | $11.06 Billion | $2.27 Billion | ▲ +493 days |
| 2019 | 210 days | $5.16 Billion | $24.53 Million/day | $2.55 Billion | $1.52 Billion | ▲ +14 days |
| 2018 | 197 days | $4.26 Billion | $21.66 Million/day | $1.85 Billion | $1.83 Billion | ▼ -11 days |
| 2017 | 208 days | $3.94 Billion | $18.92 Million/day | $1.50 Billion | $1.78 Billion | ▲ +3 days |
| 2016 | 205 days | $3.85 Billion | $18.75 Million/day | $1.68 Billion | $1.62 Billion | ▲ +110 days |
| 2015 | 96 days | $1.94 Billion | $20.29 Million/day | $- | $1.47 Billion | ▼ -32 days |
| 2014 | 128 days | $2.07 Billion | $16.23 Million/day | $- | $1.71 Billion | ▼ -15 days |
| 2013 | 143 days | $2.22 Billion | $15.55 Million/day | $- | $1.80 Billion | ▼ -29 days |
| 2012 | 172 days | $2.19 Billion | $12.74 Million/day | $- | $1.86 Billion | ▼ -39 days |
| 2011 | 210 days | $2.61 Billion | $12.42 Million/day | $- | $2.31 Billion | ▼ -63 days |
| 2010 | 273 days | $2.47 Billion | $9.05 Million/day | $- | $2.28 Billion | ▲ +48 days |
| 2009 | 225 days | $1.65 Billion | $7.33 Million/day | $- | $1.48 Billion | ▲ +141 days |
| 2008 | 84 days | $644.00 Million | $7.69 Million/day | $- | $435.00 Million | ▲ +20 days |
| 2007 | 64 days | $845.00 Million | $13.25 Million/day | $- | $566.00 Million | ▼ -13 days |
| 2006 | 77 days | $610.00 Million | $7.91 Million/day | $- | $369.00 Million | ▲ +29 days |
| 2005 | 48 days | $509.00 Million | $10.54 Million/day | $- | $251.00 Million | ▲ +6 days |
| 2004 | 42 days | $248.00 Million | $5.87 Million/day | $- | $- | ▲ +14 days |
| 2003 | 28 days | $132.00 Million | $4.72 Million/day | $- | $- | ▼ -17 days |
| 2002 | 45 days | $175.00 Million | $3.93 Million/day | $- | $- | ▲ +33 days |
| 2001 | 12 days | $71.28 Million | $6.13 Million/day | $- | $- | ▼ -27 days |
| 2000 | 39 days | $138.07 Million | $3.56 Million/day | $- | $- | ▲ +10 days |
| 1999 | 29 days | $75.04 Million | $2.63 Million/day | $- | $- | ▼ -10 days |
| 1998 | 38 days | $88.80 Million | $2.33 Million/day | $- | $- | ▲ +6 days |
| 1997 | 32 days | $76.53 Million | $2.38 Million/day | $- | $- | ▼ -3 days |
| 1996 | 35 days | $73.44 Million | $2.10 Million/day | $- | $- | ▼ -13 days |
| 1995 | 48 days | $79.80 Million | $1.67 Million/day | $- | $- | ▼ -5 days |
| 1994 | 53 days | $75.70 Million | $1.43 Million/day | $- | $- | ▼ -1 days |
| 1993 | 54 days | $70.50 Million | $1.31 Million/day | $- | $- | ▲ +2 days |
| 1992 | 51 days | $51.80 Million | $1.01 Million/day | $- | $- | ▼ -15 days |
| 1991 | 67 days | $47.50 Million | $712.05K/day | $- | $- | ▼ -4 days |
| 1990 | 71 days | $43.90 Million | $617.53K/day | $- | $- | ▲ +0 days |
| 1989 | 71 days | $38.00 Million | $536.71K/day | $- | $- | ▼ -18 days |
| 1988 | 88 days | $37.00 Million | $418.90K/day | $- | $- | ▼ -55 days |
| 1987 | 143 days | $44.10 Million | $307.67K/day | $- | $- | ▼ -4 days |
| 1986 | 148 days | $33.50 Million | $226.85K/day | $- | $- | ▼ -14 days |
| 1985 | 162 days | $31.90 Million | $196.99K/day | $- | $- | — |