Delta Air Lines Inc. (DAL)

• Annual Data
• Quarterly Data

• Annual Data
• Quarterly Data

Delta Air Lines Inc., decomposition of ROE (quarterly data)

	ROE	=	ROA	×	Financial Leverage
Sep 30, 2019		=		×
Jun 30, 2019		=		×
Mar 31, 2019		=		×
Dec 31, 2018		=		×
Sep 30, 2018		=		×
Jun 30, 2018		=		×
Mar 31, 2018		=		×
Dec 31, 2017		=		×
Sep 30, 2017		=		×
Jun 30, 2017		=		×
Mar 31, 2017		=		×
Dec 31, 2016		=		×
Sep 30, 2016		=		×
Jun 30, 2016		=		×
Mar 31, 2016		=		×
Dec 31, 2015		=		×
Sep 30, 2015		=		×
Jun 30, 2015		=		×
Mar 31, 2015		=		×
Dec 31, 2014		=		×
Sep 30, 2014		=		×
Jun 30, 2014		=		×
Mar 31, 2014		=		×

Based on: 10-Q (filing date: 2019-10-10), 10-Q (filing date: 2019-07-11), 10-Q (filing date: 2019-04-10), 10-K (filing date: 2019-02-15), 10-Q (filing date: 2018-10-11), 10-Q (filing date: 2018-07-12), 10-Q (filing date: 2018-04-12), 10-K (filing date: 2018-02-23), 10-Q (filing date: 2017-10-11), 10-Q (filing date: 2017-07-13), 10-Q (filing date: 2017-04-12), 10-K (filing date: 2017-02-13), 10-Q (filing date: 2016-10-13), 10-Q (filing date: 2016-07-15), 10-Q (filing date: 2016-04-14), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-14), 10-Q (filing date: 2015-07-15), 10-Q (filing date: 2015-04-15), 10-K (filing date: 2015-02-11), 10-Q (filing date: 2014-10-24), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-24).

The primary reason for the decrease in return on equity ratio (ROE) over Q3 2019 is the decrease in financial leverage ratio.

• Annual Data
• Quarterly Data

Delta Air Lines Inc., decomposition of ROE (quarterly data)

	ROE	=	Net Profit Margin	×	Asset Turnover	×	Financial Leverage
Sep 30, 2019		=		×		×
Jun 30, 2019		=		×		×
Mar 31, 2019		=		×		×
Dec 31, 2018		=		×		×
Sep 30, 2018		=		×		×
Jun 30, 2018		=		×		×
Mar 31, 2018		=		×		×
Dec 31, 2017		=		×		×
Sep 30, 2017		=		×		×
Jun 30, 2017		=		×		×
Mar 31, 2017		=		×		×
Dec 31, 2016		=		×		×
Sep 30, 2016		=		×		×
Jun 30, 2016		=		×		×
Mar 31, 2016		=		×		×
Dec 31, 2015		=		×		×
Sep 30, 2015		=		×		×
Jun 30, 2015		=		×		×
Mar 31, 2015		=		×		×
Dec 31, 2014		=		×		×
Sep 30, 2014		=		×		×
Jun 30, 2014		=		×		×
Mar 31, 2014		=		×		×

Based on: 10-Q (filing date: 2019-10-10), 10-Q (filing date: 2019-07-11), 10-Q (filing date: 2019-04-10), 10-K (filing date: 2019-02-15), 10-Q (filing date: 2018-10-11), 10-Q (filing date: 2018-07-12), 10-Q (filing date: 2018-04-12), 10-K (filing date: 2018-02-23), 10-Q (filing date: 2017-10-11), 10-Q (filing date: 2017-07-13), 10-Q (filing date: 2017-04-12), 10-K (filing date: 2017-02-13), 10-Q (filing date: 2016-10-13), 10-Q (filing date: 2016-07-15), 10-Q (filing date: 2016-04-14), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-14), 10-Q (filing date: 2015-07-15), 10-Q (filing date: 2015-04-15), 10-K (filing date: 2015-02-11), 10-Q (filing date: 2014-10-24), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-24).

The primary reason for the decrease in return on equity ratio (ROE) over Q3 2019 is the decrease in financial leverage ratio.

• Annual Data
• Quarterly Data

Delta Air Lines Inc., decomposition of ROE (quarterly data)

	ROE	=	Tax Burden	×	Interest Burden	×	EBIT Margin	×	Asset Turnover	×	Financial Leverage
Sep 30, 2019		=		×		×		×		×
Jun 30, 2019		=		×		×		×		×
Mar 31, 2019		=		×		×		×		×
Dec 31, 2018		=		×		×		×		×
Sep 30, 2018		=		×		×		×		×
Jun 30, 2018		=		×		×		×		×
Mar 31, 2018		=		×		×		×		×
Dec 31, 2017		=		×		×		×		×
Sep 30, 2017		=		×		×		×		×
Jun 30, 2017		=		×		×		×		×
Mar 31, 2017		=		×		×		×		×
Dec 31, 2016		=		×		×		×		×
Sep 30, 2016		=		×		×		×		×
Jun 30, 2016		=		×		×		×		×
Mar 31, 2016		=		×		×		×		×
Dec 31, 2015		=		×		×		×		×
Sep 30, 2015		=		×		×		×		×
Jun 30, 2015		=		×		×		×		×
Mar 31, 2015		=		×		×		×		×
Dec 31, 2014		=		×		×		×		×
Sep 30, 2014		=		×		×		×		×
Jun 30, 2014		=		×		×		×		×
Mar 31, 2014		=		×		×		×		×

Based on: 10-Q (filing date: 2019-10-10), 10-Q (filing date: 2019-07-11), 10-Q (filing date: 2019-04-10), 10-K (filing date: 2019-02-15), 10-Q (filing date: 2018-10-11), 10-Q (filing date: 2018-07-12), 10-Q (filing date: 2018-04-12), 10-K (filing date: 2018-02-23), 10-Q (filing date: 2017-10-11), 10-Q (filing date: 2017-07-13), 10-Q (filing date: 2017-04-12), 10-K (filing date: 2017-02-13), 10-Q (filing date: 2016-10-13), 10-Q (filing date: 2016-07-15), 10-Q (filing date: 2016-04-14), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-14), 10-Q (filing date: 2015-07-15), 10-Q (filing date: 2015-04-15), 10-K (filing date: 2015-02-11), 10-Q (filing date: 2014-10-24), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-24).

The primary reason for the decrease in return on equity ratio (ROE) over Q3 2019 is the decrease in financial leverage ratio.

• Annual Data
• Quarterly Data

Delta Air Lines Inc., decomposition of ROA (quarterly data)

	ROA	=	Net Profit Margin	×	Asset Turnover
Sep 30, 2019		=		×
Jun 30, 2019		=		×
Mar 31, 2019		=		×
Dec 31, 2018		=		×
Sep 30, 2018		=		×
Jun 30, 2018		=		×
Mar 31, 2018		=		×
Dec 31, 2017		=		×
Sep 30, 2017		=		×
Jun 30, 2017		=		×
Mar 31, 2017		=		×
Dec 31, 2016		=		×
Sep 30, 2016		=		×
Jun 30, 2016		=		×
Mar 31, 2016		=		×
Dec 31, 2015		=		×
Sep 30, 2015		=		×
Jun 30, 2015		=		×
Mar 31, 2015		=		×
Dec 31, 2014		=		×
Sep 30, 2014		=		×
Jun 30, 2014		=		×
Mar 31, 2014		=		×

Based on: 10-Q (filing date: 2019-10-10), 10-Q (filing date: 2019-07-11), 10-Q (filing date: 2019-04-10), 10-K (filing date: 2019-02-15), 10-Q (filing date: 2018-10-11), 10-Q (filing date: 2018-07-12), 10-Q (filing date: 2018-04-12), 10-K (filing date: 2018-02-23), 10-Q (filing date: 2017-10-11), 10-Q (filing date: 2017-07-13), 10-Q (filing date: 2017-04-12), 10-K (filing date: 2017-02-13), 10-Q (filing date: 2016-10-13), 10-Q (filing date: 2016-07-15), 10-Q (filing date: 2016-04-14), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-14), 10-Q (filing date: 2015-07-15), 10-Q (filing date: 2015-04-15), 10-K (filing date: 2015-02-11), 10-Q (filing date: 2014-10-24), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-24).

The primary reason for the increase in return on assets ratio (ROA) over Q3 2019 is the increase in profitability measured by net profit margin ratio.

• Annual Data
• Quarterly Data

Delta Air Lines Inc., decomposition of ROA (quarterly data)

	ROA	=	Tax Burden	×	Interest Burden	×	EBIT Margin	×	Asset Turnover
Sep 30, 2019		=		×		×		×
Jun 30, 2019		=		×		×		×
Mar 31, 2019		=		×		×		×
Dec 31, 2018		=		×		×		×
Sep 30, 2018		=		×		×		×
Jun 30, 2018		=		×		×		×
Mar 31, 2018		=		×		×		×
Dec 31, 2017		=		×		×		×
Sep 30, 2017		=		×		×		×
Jun 30, 2017		=		×		×		×
Mar 31, 2017		=		×		×		×
Dec 31, 2016		=		×		×		×
Sep 30, 2016		=		×		×		×
Jun 30, 2016		=		×		×		×
Mar 31, 2016		=		×		×		×
Dec 31, 2015		=		×		×		×
Sep 30, 2015		=		×		×		×
Jun 30, 2015		=		×		×		×
Mar 31, 2015		=		×		×		×
Dec 31, 2014		=		×		×		×
Sep 30, 2014		=		×		×		×
Jun 30, 2014		=		×		×		×
Mar 31, 2014		=		×		×		×

Based on: 10-Q (filing date: 2019-10-10), 10-Q (filing date: 2019-07-11), 10-Q (filing date: 2019-04-10), 10-K (filing date: 2019-02-15), 10-Q (filing date: 2018-10-11), 10-Q (filing date: 2018-07-12), 10-Q (filing date: 2018-04-12), 10-K (filing date: 2018-02-23), 10-Q (filing date: 2017-10-11), 10-Q (filing date: 2017-07-13), 10-Q (filing date: 2017-04-12), 10-K (filing date: 2017-02-13), 10-Q (filing date: 2016-10-13), 10-Q (filing date: 2016-07-15), 10-Q (filing date: 2016-04-14), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-14), 10-Q (filing date: 2015-07-15), 10-Q (filing date: 2015-04-15), 10-K (filing date: 2015-02-11), 10-Q (filing date: 2014-10-24), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-24).

The primary reason for the increase in return on assets ratio (ROA) over Q3 2019 is the increase in operating profitability measured by EBIT margin ratio.

• Annual Data
• Quarterly Data

Delta Air Lines Inc., decomposition of net profit margin ratio (quarterly data)

	Net Profit Margin	=	Tax Burden	×	Interest Burden	×	EBIT Margin
Sep 30, 2019		=		×		×
Jun 30, 2019		=		×		×
Mar 31, 2019		=		×		×
Dec 31, 2018		=		×		×
Sep 30, 2018		=		×		×
Jun 30, 2018		=		×		×
Mar 31, 2018		=		×		×
Dec 31, 2017		=		×		×
Sep 30, 2017		=		×		×
Jun 30, 2017		=		×		×
Mar 31, 2017		=		×		×
Dec 31, 2016		=		×		×
Sep 30, 2016		=		×		×
Jun 30, 2016		=		×		×
Mar 31, 2016		=		×		×
Dec 31, 2015		=		×		×
Sep 30, 2015		=		×		×
Jun 30, 2015		=		×		×
Mar 31, 2015		=		×		×
Dec 31, 2014		=		×		×
Sep 30, 2014		=		×		×
Jun 30, 2014		=		×		×
Mar 31, 2014		=		×		×

Based on: 10-Q (filing date: 2019-10-10), 10-Q (filing date: 2019-07-11), 10-Q (filing date: 2019-04-10), 10-K (filing date: 2019-02-15), 10-Q (filing date: 2018-10-11), 10-Q (filing date: 2018-07-12), 10-Q (filing date: 2018-04-12), 10-K (filing date: 2018-02-23), 10-Q (filing date: 2017-10-11), 10-Q (filing date: 2017-07-13), 10-Q (filing date: 2017-04-12), 10-K (filing date: 2017-02-13), 10-Q (filing date: 2016-10-13), 10-Q (filing date: 2016-07-15), 10-Q (filing date: 2016-04-14), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-14), 10-Q (filing date: 2015-07-15), 10-Q (filing date: 2015-04-15), 10-K (filing date: 2015-02-11), 10-Q (filing date: 2014-10-24), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-24).

The primary reason for the increase in net profit margin ratio over Q3 2019 is the increase in operating profitability measured by EBIT margin ratio.