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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Earnings Per Share
The computations of UAL's basic and diluted earnings per share are set forth below (in millions, except per share amounts):
 
Three Months Ended March 31,
 
2019
 
2018
Earnings available to common stockholders
$
292

 
$
145

 
 
 
 
Basic weighted-average shares outstanding
267.0

 
283.9

Effect of employee stock awards
1.3

 
1.0

Diluted weighted-average shares outstanding
268.3

 
284.9

 
 
 
 
Earnings per share, basic and diluted
$
1.09

 
$
0.51