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Microsoft Excel LibreOffice Calc

Delta Air Lines Inc. (NYSE:DAL)


Analysis of Investments

Advanced level


Adjustment to Net Income (Loss): Mark to Market Available-for-sale Securities

Delta Air Lines Inc., adjustment to net income

US$ in millions

Microsoft Excel LibreOffice Calc
12 months ended Dec 31, 2019 Dec 31, 2018 Dec 31, 2017 Dec 31, 2016 Dec 31, 2015
Net income (as reported)
Add: Net change in investments
Net income (adjusted)

Based on: 10-K (filing date: 2020-02-13), 10-K (filing date: 2019-02-15), 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05).


Adjusted Profitability Ratios: Mark to Market Available-for-sale Securities (Summary)

Delta Air Lines Inc., adjusted profitability ratios

Microsoft Excel LibreOffice Calc
Dec 31, 2019 Dec 31, 2018 Dec 31, 2017 Dec 31, 2016 Dec 31, 2015
Net Profit Margin
Reported net profit margin
Adjusted net profit margin
Return on Equity (ROE)
Reported ROE
Adjusted ROE
Return on Assets (ROA)
Reported ROA
Adjusted ROA

Based on: 10-K (filing date: 2020-02-13), 10-K (filing date: 2019-02-15), 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05).

Profitability ratio Description The company
Adjusted net profit margin An indicator of profitability, calculated as adjusted net income divided by revenue. Delta Air Lines Inc.’s adjusted net profit margin ratio deteriorated from 2017 to 2018 but then improved from 2018 to 2019 exceeding 2017 level.
Adjusted ROE A profitability ratio calculated as adjusted net income divided by shareholders’ equity. Delta Air Lines Inc.’s adjusted ROE improved from 2017 to 2018 and from 2018 to 2019.
Adjusted ROA A profitability ratio calculated as adjusted net income divided by total assets. Delta Air Lines Inc.’s adjusted ROA deteriorated from 2017 to 2018 but then improved from 2018 to 2019 exceeding 2017 level.

Delta Air Lines Inc., Profitability Ratios: Reported vs. Adjusted


Adjusted Net Profit Margin

Microsoft Excel LibreOffice Calc
Dec 31, 2019 Dec 31, 2018 Dec 31, 2017 Dec 31, 2016 Dec 31, 2015
As Reported
Selected Financial Data (US$ in millions)
Net income
Operating revenue
Profitability Ratio
Net profit margin1
Adjusted: Mark to Market Available-for-sale Securities
Selected Financial Data (US$ in millions)
Adjusted net income
Operating revenue
Profitability Ratio
Adjusted net profit margin2

Based on: 10-K (filing date: 2020-02-13), 10-K (filing date: 2019-02-15), 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05).

2019 Calculations

1 Net profit margin = 100 × Net income ÷ Operating revenue
= 100 × ÷ =

2 Adjusted net profit margin = 100 × Adjusted net income ÷ Operating revenue
= 100 × ÷ =

Profitability ratio Description The company
Adjusted net profit margin An indicator of profitability, calculated as adjusted net income divided by revenue. Delta Air Lines Inc.’s adjusted net profit margin ratio deteriorated from 2017 to 2018 but then improved from 2018 to 2019 exceeding 2017 level.

Adjusted Return on Equity (ROE)

Microsoft Excel LibreOffice Calc
Dec 31, 2019 Dec 31, 2018 Dec 31, 2017 Dec 31, 2016 Dec 31, 2015
As Reported
Selected Financial Data (US$ in millions)
Net income
Stockholders’ equity
Profitability Ratio
ROE1
Adjusted: Mark to Market Available-for-sale Securities
Selected Financial Data (US$ in millions)
Adjusted net income
Stockholders’ equity
Profitability Ratio
Adjusted ROE2

Based on: 10-K (filing date: 2020-02-13), 10-K (filing date: 2019-02-15), 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05).

2019 Calculations

1 ROE = 100 × Net income ÷ Stockholders’ equity
= 100 × ÷ =

2 Adjusted ROE = 100 × Adjusted net income ÷ Stockholders’ equity
= 100 × ÷ =

Profitability ratio Description The company
Adjusted ROE A profitability ratio calculated as adjusted net income divided by shareholders’ equity. Delta Air Lines Inc.’s adjusted ROE improved from 2017 to 2018 and from 2018 to 2019.

Adjusted Return on Assets (ROA)

Microsoft Excel LibreOffice Calc
Dec 31, 2019 Dec 31, 2018 Dec 31, 2017 Dec 31, 2016 Dec 31, 2015
As Reported
Selected Financial Data (US$ in millions)
Net income
Total assets
Profitability Ratio
ROA1
Adjusted: Mark to Market Available-for-sale Securities
Selected Financial Data (US$ in millions)
Adjusted net income
Total assets
Profitability Ratio
Adjusted ROA2

Based on: 10-K (filing date: 2020-02-13), 10-K (filing date: 2019-02-15), 10-K (filing date: 2018-02-23), 10-K (filing date: 2017-02-13), 10-K (filing date: 2016-02-05).

2019 Calculations

1 ROA = 100 × Net income ÷ Total assets
= 100 × ÷ =

2 Adjusted ROA = 100 × Adjusted net income ÷ Total assets
= 100 × ÷ =

Profitability ratio Description The company
Adjusted ROA A profitability ratio calculated as adjusted net income divided by total assets. Delta Air Lines Inc.’s adjusted ROA deteriorated from 2017 to 2018 but then improved from 2018 to 2019 exceeding 2017 level.