DAL vs UAL vs LUV
161 measures in 16 categories, one definition each, computed from filings and market data.
DAL40.6
Delta Air Lines, Inc.
Industrials · Airlines, Airports & Air Services
$75.37 −3.48%$49.6B mkt cap
Score DNA
UAL40.6
United Airlines Holdings, Inc.
Industrials · Airlines, Airports & Air Services
$96.10 −5.14%$31.2B mkt cap
Score DNA
LUV52.3
Southwest Airlines Co.
Industrials · Airlines, Airports & Air Services
$39.50 −3.26%$19.3B mkt cap
Score DNA
Price, rebased to 100 three years ago
DAL UAL LUV · weekly adjusted closesSmart money 8Valuation 16Profitability (TTM) 12Returns on capital 11Growth 17Margin history & stability 7Liquidity (latest quarter) 7Leverage & solvency (latest quarter) 13Efficiency 11Cash flow & earnings quality 7Dividends & buybacks 9Scores & forensic checks 15Per share 7Size (TTM) 8Price performance 9Technicals 4
● marks the highest or lowest value where that direction is plainly stronger (margins, returns, coverage, leverage); multiples and yields are left unmarked. Bars show each stock's percentile within its own industry. n/a: the measure does not apply to lenders and insurers.
Smart money
8 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| Insider open-market buys, 180d | 0 | 0 | 0 |
| Insider $ bought, 180d | — | — | — |
| Congress purchases, 180d | 1 | 1 | 1 |
| Last Congress purchase | 2026-09-11 | 2026-05-01 | 2026-05-01 |
| 13F net change in holders | +181 | +93 | +63 |
| ETFs adding shares, 30d | 1,018 | 999 | 686 |
| ETFs trimming, 30d | 984 | 851 | 473 |
| Net ETF funds, 30d | +34 | +148 | +213 |
Valuation
16 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| P/E (TTM) | 15.1x
67th
|
8.9x
33rd
|
23.1x
89th
|
| PEG (P/E ÷ 3-yr EPS CAGR) | — | 0.89 | 1.02 |
| Price / sales | 0.7x
67th
|
0.5x
40th
|
0.6x
60th
|
| Price / book | 2.2x
62nd
|
1.9x
38th
|
2.7x
77th
|
| Price / tangible book | 8.1x
67th
|
4.7x
50th
|
4.4x
42nd
|
| Price / free cash flow | 8.7x
33rd
|
12.3x
67th
|
— |
| Price / operating cash flow | 6.2x
83rd
|
3.5x
33rd
|
8.2x
92nd
|
| Enterprise value | $64.6B
100th
|
$48.2B
93rd
|
$22.4B
80th
|
| EV / sales | 0.9x
33rd
|
0.8x
20th
|
0.7x
13th
|
| EV / EBITDA | 8.8x
77th
|
5.8x
23rd
|
8.3x
62nd
|
| EV / EBIT | 13.5x
64th
|
9.0x
36th
|
19.6x
73rd
|
| EV / free cash flow | 11.4x
33rd
|
19.0x
67th
|
— |
| Earnings yield | 6.6%
60th
|
11.2%
80th
|
4.3%
47th
|
| FCF yield | 11.5%
80th
|
8.2%
60th
|
-3.2%
33rd
|
| Operating cash flow yield | 16.1%
33rd
|
28.6%
73rd
|
12.2%
27th
|
| Graham number (per share) | $61.95
62nd
|
$110.98
75th
|
$23.19
12th
|
Profitability (TTM)
12 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| Gross margin | 29.9%
43rd
|
65.1%
86th
|
61.0%
79th
|
| EBITDA margin | 10.3%
40th
|
13.3%
47th
|
9.0%
33rd
|
| Operating margin | 7.4%
53rd
|
7.7%
60th
|
3.5%
40th
|
| EBIT margin | 6.7%
53rd
|
8.5%
60th
|
3.8%
40th
|
| Net margin | 4.6%
67th
|
5.6%
73rd
|
2.8%
53rd
|
| NOPAT margin | 5.5%
53rd
|
6.1%
60th
|
2.7%
40th
|
| FCF margin | 7.9%
73rd
|
4.0%
53rd
|
-2.1%
33rd
|
| Operating cash flow margin | 11.1%
40th
|
14.2%
47th
|
7.9%
33rd
|
| R&D / revenue | 0.0%
0th
|
0.0%
0th
|
0.0%
0th
|
| SG&A / revenue | 3.7%
20th
|
15.3%
87th
|
7.5%
60th
|
| Stock comp / revenue | 0.0%
0th
|
0.0%
0th
|
0.0%
0th
|
| Effective tax rate | 24.9%
87th
|
21.9%
73rd
|
21.6%
67th
|
Returns on capital
11 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| ROE (on average equity) | 15.9%
69th
|
23.3%
92nd
|
11.1%
54th
|
| ROA | 4.0%
67th
|
4.3%
73rd
|
2.8%
60th
|
| ROIC | 10.6%
67th
|
11.3%
73rd
|
8.0%
53rd
|
| ROCE | 9.1%
60th
|
9.4%
67th
|
6.8%
53rd
|
| Return on tangible assets | 5.8%
60th
|
6.6%
73rd
|
3.9%
47th
|
| Cash ROIC (OCF / invested capital) | 21.3%
53rd
|
26.4%
73rd
|
23.2%
67th
|
| Gross profitability (GP / assets) | 24.9%
67th
|
48.4%
87th
|
60.9%
93rd
|
| ROIC, 3-yr average | 9.3%
82nd
|
8.9%
73rd
|
3.8%
55th
|
| ROIC, 5-yr average | 8.5%
82nd
|
7.0%
73rd
|
4.0%
55th
|
| ROE, 5-yr average | 22.4%
91st
|
15.5%
73rd
|
6.4%
55th
|
| Incremental ROIC | 61.2%
83rd
|
29.1%
67th
|
80.8%
100th
|
Growth
17 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| Revenue growth (TTM YoY) | 14.1%
83rd
|
8.5%
25th
|
9.5%
50th
|
| Revenue growth (QoQ) | 2.2%
20th
|
21.0%
73rd
|
16.3%
53rd
|
| Revenue CAGR, 3 yr | 7.8%
73rd
|
7.3%
64th
|
6.2%
55th
|
| Revenue CAGR, 5 yr | 24.1%
36th
|
33.9%
82nd
|
25.0%
45th
|
| Gross profit CAGR, 3 yr | 15.5%
45th
|
41.7%
73rd
|
58.1%
82nd
|
| Operating income CAGR, 3 yr | -2.3%
38th
|
4.2%
62nd
|
26.0%
88th
|
| Net income growth (TTM YoY) | -28.9%
0th
|
5.7%
50th
|
113.5%
100th
|
| Net income CAGR, 3 yr | -1.1%
20th
|
9.5%
40th
|
12.9%
60th
|
| EPS growth (TTM YoY) | -29.6%
0th
|
5.9%
50th
|
132.0%
100th
|
| EPS CAGR, 3 yr | -1.9%
20th
|
10.0%
40th
|
22.7%
100th
|
| EPS CAGR, 5 yr | — | — | — |
| FCF growth (TTM YoY) | 84.8%
100th
|
-37.1%
14th
|
— |
| FCF CAGR, 3 yr | 68.5%
100th
|
14.2%
67th
|
— |
| Operating cash flow CAGR, 3 yr | 4.0%
56th
|
0.3%
44th
|
-7.0%
0th
|
| Book value CAGR, 3 yr | 33.6%
100th
|
30.1%
91st
|
-5.6%
27th
|
| Dividend CAGR, 3 yr | 7.1% | — | 3.8% |
| Sustainable growth rate | 13.4%
50th
|
23.3%
88th
|
6.2%
25th
|
Margin history & stability
7 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| Gross margin, 3-yr average | 27.3%
27th
|
46.7%
91st
|
30.7%
45th
|
| Operating margin, 3-yr average | 8.8%
73rd
|
8.3%
64th
|
1.2%
27th
|
| Net margin, 3-yr average | 6.6%
73rd
|
5.5%
64th
|
1.5%
55th
|
| FCF margin, 3-yr average | 5.0%
73rd
|
3.2%
55th
|
-3.2%
18th
|
| Revenue stability (0-1) | 0.89
75th
|
0.85
67th
|
0.84
58th
|
| Earnings stability (0-1) | 0.63
67th
|
0.76
92nd
|
0.31
33rd
|
| Margin stability (0-1) | 0.36
100th
|
0.00
0th
|
0.02
67th
|
Liquidity (latest quarter)
7 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| Cash & short-term investments | $3.8B
80th
|
$16.6B
100th
|
$3.8B
87th
|
| Net cash (− = net debt) | −$15.0B
13th
|
−$17.0B
7th
|
−$3.1B
47th
|
| Working capital | −$20.1B
0th
|
−$6.1B
20th
|
−$6.8B
13th
|
| Current ratio | 0.40
0th
|
0.78
67th
|
0.49
7th
|
| Quick ratio | 0.32
0th
|
0.72
67th
|
0.42
13th
|
| Cash ratio (cash + ST investments / current liabilities) | 0.11
0th
|
0.60
73rd
|
0.29
7th
|
| Defensive interval (days) | 183 days
27th
|
193 days
33rd
|
106 days
7th
|
Leverage & solvency (latest quarter)
13 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| Total debt | $18.8B
87th
|
$33.7B
93rd
|
$6.9B
60th
|
| Debt / equity | 0.84
31st
|
2.02
62nd
|
0.97
46th
|
| Net debt / equity | 0.67
46th
|
1.02
62nd
|
0.44
23rd
|
| Debt / assets | 21.9%
7th
|
39.8%
53rd
|
22.9%
20th
|
| Debt / capital | 45.6%
31st
|
66.8%
62nd
|
49.3%
46th
|
| Debt / EBITDA | 2.55
31st
|
4.03
54th
|
2.54
23rd
|
| Net debt / EBITDA | 2.04
38th
|
2.04
31st
|
1.14
15th
|
| Interest coverage (EBIT / interest) | 8.0x
100th
|
4.2x
62nd
|
6.7x
85th
|
| Cash interest coverage | 13.4x
86th
|
7.0x
57th
|
13.8x
93rd
|
| Debt payback (years of OCF) | 2.4 yrs
17th
|
3.8 yrs
58th
|
2.9 yrs
50th
|
| Liabilities / assets | 73.8%
40th
|
80.3%
53rd
|
76.5%
47th
|
| IS credit model rating | BB+ | BB- | BBB- |
| Implied credit spread (bps) | 400
33rd
|
550
53rd
|
350
27th
|
Efficiency
11 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| Asset turnover | 0.87
80th
|
0.78
73rd
|
1.02
100th
|
| Fixed asset turnover | 1.49
93rd
|
1.16
67th
|
1.46
87th
|
| Inventory turnover | 24.1
57th
|
13.2
21st
|
13.9
29th
|
| Receivables turnover | 18.1
33rd
|
26.4
73rd
|
31.9
93rd
|
| Days sales outstanding | 20 days
67th
|
14 days
27th
|
11 days
7th
|
| Days inventory outstanding | 15 days
43rd
|
28 days
79th
|
26 days
71st
|
| Days payables outstanding | 42 days
67th
|
89 days
87th
|
14 days
13th
|
| Cash conversion cycle (days) | −7 days
33rd
|
−47 days
7th
|
24 days
93rd
|
| Capex / revenue | 3.2%
13th
|
10.1%
53rd
|
9.9%
40th
|
| Capex / depreciation | 0.90
27th
|
2.13
73rd
|
1.91
60th
|
| Operating expense ratio | 26.1%
53rd
|
61.5%
73rd
|
173.9%
93rd
|
Cash flow & earnings quality
7 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| Operating cash flow / net income | 2.43
44th
|
2.55
56th
|
2.82
67th
|
| FCF / net income | 1.73
78th
|
0.73
33rd
|
−0.74
0th
|
| FCF / operating cash flow | 71.0%
92nd
|
28.5%
50th
|
-26.3%
8th
|
| Capex / operating cash flow | 29.0%
8th
|
71.5%
50th
|
126.3%
92nd
|
| Accruals ratio | -5.7%
73rd
|
-6.7%
60th
|
-5.2%
80th
|
| Sloan accruals ratio | -6.8%
40th
|
-0.4%
87th
|
-12.1%
13th
|
| Earnings quality score (0-1) | 0.75
0th
|
0.75
0th
|
0.75
0th
|
Scores & forensic checks
15 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| IS score | 41
53rd
|
41
47th
|
52
73rd
|
| IS profitability | 34
60th
|
50
93rd
|
36
67th
|
| IS growth | 33
0th
|
51
62nd
|
64
85th
|
| IS value | 59
60th
|
63
80th
|
47
53rd
|
| IS momentum | 63
46th
|
78
69th
|
91
85th
|
| IS risk (safety) | 30
47th
|
30
47th
|
50
73rd
|
| IS quality | 69
73rd
|
70
80th
|
69
67th
|
| IS balance sheet | 49
60th
|
45
53rd
|
55
73rd
|
| IS earnings quality | 83
87th
|
83
93rd
|
86
100th
|
| IS cash flow | 65
93rd
|
33
33rd
|
35
40th
|
| Piotroski F-score (0-9) | 7
60th
|
9
100th
|
7
60th
|
| Altman Z-score | 1.5
60th
|
1.4
53rd
|
2.3
87th
|
| Beneish M-score | −2.62
67th
|
−2.74
58th
|
−2.80
42nd
|
| Ohlson O-score | −6.83
40th
|
−6.87
33rd
|
−6.49
53rd
|
| IS credit score | 47
67th
|
38
47th
|
52
73rd
|
Size (TTM)
8 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| Market cap | $49.6B
100th
|
$31.2B
93rd
|
$19.3B
87th
|
| Revenue | $71.8B
100th
|
$62.9B
93rd
|
$30.1B
80th
|
| EBITDA | $7.4B
93rd
|
$8.4B
100th
|
$2.7B
73rd
|
| Net income | $3.3B
93rd
|
$3.5B
100th
|
$837.0M
80th
|
| Free cash flow | $5.7B
100th
|
$2.5B
93rd
|
−$621.0M
13th
|
| Total assets | $86.0B
100th
|
$84.6B
93rd
|
$30.1B
80th
|
| Shareholders' equity | $22.5B
100th
|
$16.7B
93rd
|
$7.1B
87th
|
| Employees | 100,000
87th
|
117,500
93rd
|
73,456
80th
|
Price performance
9 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| 1 day | −3.5% | −5.1% | −3.3% |
| 1 week | −8.0% | −10.6% | −5.2% |
| 1 month | −5.1% | −10.7% | −2.1% |
| 3 months | −10.9% | −18.2% | −17.9% |
| 6 months | +5.1% | −5.6% | −6.7% |
| Year to date | +9.4% | −15.0% | −3.1% |
| 1 year | +22.5% | −7.6% | +19.8% |
| 3 years, cumulative | +114.2% | +134.4% | +60.8% |
| 5 years, cumulative | +78.6% | +95.5% | −20.2% |
Technicals
4 measures| Measure | DAL | UAL | LUV |
|---|---|---|---|
| RSI 14 | 33.5 | 30.4 | 41.4 |
| From 52-week high | −21.0% | −30.8% | −27.4% |
| From 52-week low | +36.9% | +13.5% | +37.4% |
| Beta | 1.34 | 1.30 | 1.16 |
InsiderStreet reports findings from filings and market data. A comparison is not a recommendation to buy or sell either stock.Every figure is computed in code · data as of 2026-10-17