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Delta Air Lines Inc. (DAL)

DuPont Analysis: Decomposition of ROE
Quarterly Data

Difficulty: Beginner

Decomposing ROE involves expressing net income divided by shareholders’ equity as the product of component ratios.

Two-Component Disaggregation of ROE
Three-Component Disaggregation of ROE
Five-Component Disaggregation of ROE
Two-Way Decomposition of ROA
Four-Way Decomposition of ROA
Decomposition of Net Profit Margin

Two-Component Disaggregation of ROE

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

	ROE	=	ROA	×	Leverage

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: 2019-04-10), 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 Equity (ROE) over Q1 2019 is the increase in Financial Leverage.

Three-Component Disaggregation of ROE

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

	ROE	=	Net Profit Margin	×	Asset Turnover	×	Leverage

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: 2019-04-10), 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 Equity (ROE) over Q1 2019 is the increase in Financial Leverage.

Five-Component Disaggregation of ROE

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

	ROE	=	Tax Burden	×	Interest Burden	×	EBIT Margin	×	Asset Turnover	×	Leverage

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: 2019-04-10), 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 Equity (ROE) over Q1 2019 is the increase in Financial Leverage.

Two-Way Decomposition of ROA

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

	ROA	=	Net Profit Margin	×	Asset Turnover

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: 2019-04-10), 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 (ROA) over Q1 2019 is the increase in profitability measured by Net Profit Margin.

Four-Way Decomposition of ROA

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

	ROA	=	Tax Burden	×	Interest Burden	×	EBIT Margin	×	Asset Turnover

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: 2019-04-10), 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 (ROA) over Q1 2019 is the increase in operating profitability measured by EBIT Margin.

Decomposition of Net Profit Margin

Delta Air Lines Inc., decomposition of Net Profit Margin (quarterly data)

	Net Profit Margin	=	Tax Burden	×	Interest Burden	×	EBIT Margin

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: 2019-04-10), 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 over Q1 2019 is the increase in operating profitability measured by EBIT Margin.

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