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Delta Air Lines Inc. (DAL)

Profitability Analysis
Quarterly Data

Difficulty: Beginner

Annual Data

Quarterly Data

Profitability ratios measure the company's ability to generate profitable sales from its resources (assets).

Ratios (Summary)
Gross Profit Margin
Operating Profit Margin
Net Profit Margin
Return on Equity (ROE)
Return on Assets (ROA)

Ratios (Summary)

Delta Air Lines Inc., profitability ratios (quarterly data)

Microsoft Excel

LibreOffice Calc

		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	Dec 31, 2013	Sep 30, 2013	Jun 30, 2013	Mar 31, 2013
	Return on Sales
	Gross profit margin	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%
	Operating profit margin	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%
	Net profit margin	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%
	Return on Investment
	Return on equity (ROE)	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%
	Return on assets (ROA)	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%

Source: Based on data from Delta Air Lines Inc. Quarterly and Annual Reports

Ratio	Description	The company
Gross profit margin	Gross profit margin indicates the percentage of revenue available to cover operating and other expenditures.	Delta Air Lines Inc.'s gross profit margin deteriorated from Q4 2017 to Q1 2018 and from Q1 2018 to Q2 2018.
Operating profit margin	A profitability ratio calculated as operating income divided by revenue.	Delta Air Lines Inc.'s operating profit margin deteriorated from Q4 2017 to Q1 2018 and from Q1 2018 to Q2 2018.
Net profit margin	An indicator of profitability, calculated as net income divided by revenue.	Delta Air Lines Inc.'s net profit margin deteriorated from Q4 2017 to Q1 2018 and from Q1 2018 to Q2 2018.
ROE	A profitability ratio calculated as net income divided by shareholders' equity.	Delta Air Lines Inc.'s ROE improved from Q4 2017 to Q1 2018 but then slightly deteriorated from Q1 2018 to Q2 2018 not reaching Q4 2017 level.
ROA	A profitability ratio calculated as net income divided by total assets.	Delta Air Lines Inc.'s ROA deteriorated from Q4 2017 to Q1 2018 and from Q1 2018 to Q2 2018.

Gross Profit Margin

Delta Air Lines Inc., gross profit margin calculation (quarterly data)

Microsoft Excel

LibreOffice Calc

		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	Dec 31, 2013	Sep 30, 2013	Jun 30, 2013	Mar 31, 2013
	Selected Financial Data (USD $ in millions)
	Gross profit
	Operating revenue
	Ratio
	Gross profit margin¹	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%

Source: Based on data from Delta Air Lines Inc. Quarterly and Annual Reports

Q2 2018 Calculations

¹ Gross profit margin = 100 × (Gross profit_{Q2 2018} + Gross profit_{Q1 2018} + Gross profit_{Q4 2017} + Gross profit_{Q3 2017}) ÷ (Operating revenue_{Q2 2018} + Operating revenue_{Q1 2018} + Operating revenue_{Q4 2017} + Operating revenue_{Q3 2017})
= 100 × ( hidden + hidden + hidden + hidden ) ÷ ( hidden + hidden + hidden + hidden ) = hidden %

Ratio	Description	The company
Gross profit margin	Gross profit margin indicates the percentage of revenue available to cover operating and other expenditures.	Delta Air Lines Inc.'s gross profit margin deteriorated from Q4 2017 to Q1 2018 and from Q1 2018 to Q2 2018.

Operating Profit Margin

Delta Air Lines Inc., operating profit margin calculation (quarterly data)

Microsoft Excel

LibreOffice Calc

		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	Dec 31, 2013	Sep 30, 2013	Jun 30, 2013	Mar 31, 2013
	Selected Financial Data (USD $ in millions)
	Operating income
	Operating revenue
	Ratio
	Operating profit margin¹	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%

Source: Based on data from Delta Air Lines Inc. Quarterly and Annual Reports

Q2 2018 Calculations

¹ Operating profit margin = 100 × (Operating income_{Q2 2018} + Operating income_{Q1 2018} + Operating income_{Q4 2017} + Operating income_{Q3 2017}) ÷ (Operating revenue_{Q2 2018} + Operating revenue_{Q1 2018} + Operating revenue_{Q4 2017} + Operating revenue_{Q3 2017})
= 100 × ( hidden + hidden + hidden + hidden ) ÷ ( hidden + hidden + hidden + hidden ) = hidden %

Ratio	Description	The company
Operating profit margin	A profitability ratio calculated as operating income divided by revenue.	Delta Air Lines Inc.'s operating profit margin deteriorated from Q4 2017 to Q1 2018 and from Q1 2018 to Q2 2018.

Net Profit Margin

Delta Air Lines Inc., net profit margin calculation (quarterly data)

Microsoft Excel

LibreOffice Calc

		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	Dec 31, 2013	Sep 30, 2013	Jun 30, 2013	Mar 31, 2013
	Selected Financial Data (USD $ in millions)
	Net income
	Operating revenue
	Ratio
	Net profit margin¹	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%

Source: Based on data from Delta Air Lines Inc. Quarterly and Annual Reports

Q2 2018 Calculations

¹ Net profit margin = 100 × (Net income_{Q2 2018} + Net income_{Q1 2018} + Net income_{Q4 2017} + Net income_{Q3 2017}) ÷ (Operating revenue_{Q2 2018} + Operating revenue_{Q1 2018} + Operating revenue_{Q4 2017} + Operating revenue_{Q3 2017})
= 100 × ( hidden + hidden + hidden + hidden ) ÷ ( hidden + hidden + hidden + hidden ) = hidden %

Ratio	Description	The company
Net profit margin	An indicator of profitability, calculated as net income divided by revenue.	Delta Air Lines Inc.'s net profit margin deteriorated from Q4 2017 to Q1 2018 and from Q1 2018 to Q2 2018.

Return on Equity (ROE)

Delta Air Lines Inc., ROE calculation (quarterly data)

Microsoft Excel

LibreOffice Calc

		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	Dec 31, 2013	Sep 30, 2013	Jun 30, 2013	Mar 31, 2013
	Selected Financial Data (USD $ in millions)
	Net income
	Stockholders' equity (deficit)
	Ratio
	ROE¹	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%

Source: Based on data from Delta Air Lines Inc. Quarterly and Annual Reports

Q2 2018 Calculations

¹ ROE = 100 × (Net income_{Q2 2018} + Net income_{Q1 2018} + Net income_{Q4 2017} + Net income_{Q3 2017}) ÷ Stockholders' equity (deficit)
= 100 × ( hidden + hidden + hidden + hidden ) ÷ hidden = hidden %

Ratio	Description	The company
ROE	A profitability ratio calculated as net income divided by shareholders' equity.	Delta Air Lines Inc.'s ROE improved from Q4 2017 to Q1 2018 but then slightly deteriorated from Q1 2018 to Q2 2018 not reaching Q4 2017 level.

Return on Assets (ROA)

Delta Air Lines Inc., ROA calculation (quarterly data)

Microsoft Excel

LibreOffice Calc

		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	Dec 31, 2013	Sep 30, 2013	Jun 30, 2013	Mar 31, 2013
	Selected Financial Data (USD $ in millions)
	Net income
	Total assets
	Ratio
	ROA¹	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%	%

Source: Based on data from Delta Air Lines Inc. Quarterly and Annual Reports

Q2 2018 Calculations

¹ ROA = 100 × (Net income_{Q2 2018} + Net income_{Q1 2018} + Net income_{Q4 2017} + Net income_{Q3 2017}) ÷ Total assets
= 100 × ( hidden + hidden + hidden + hidden ) ÷ hidden = hidden %

Ratio	Description	The company
ROA	A profitability ratio calculated as net income divided by total assets.	Delta Air Lines Inc.'s ROA deteriorated from Q4 2017 to Q1 2018 and from Q1 2018 to Q2 2018.

	Delta Air Lines Inc.	Other companies (not purchased previously)
Financial Statements
Common-Size Financial Statements
Ratios
Relative Valuation
Discounted Cash Flow (DCF) Valuation
Economic Value Added (EVA)
Long-term Trends
Analysis
Financial Reporting Quality

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