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 September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Earnings available to common stockholders	$	836	$	645	$	1,667	$	1,565

Basic weighted-average shares outstanding	272.4		299.8		277.0		306.8
Effect of employee stock awards	1.2		0.8		1.0		0.8
Diluted weighted-average shares outstanding	273.6		300.6		278.0		307.6

Earnings per share, basic	$	3.07	$	2.15	$	6.02	$	5.10
Earnings per share, diluted	$	3.06	$	2.15	$	5.99	$	5.09

The number of potentially dilutive securities excluded from the computation of diluted earnings per share amounts was not material.

In the three and nine months ended September 30, 2018, UAL repurchased approximately 0.5 million and 14.8 million shares, respectively, of UAL common stock in open market transactions for $34 million and $1.0 billion, respectively. As of September 30, 2018, the Company had approximately $2.0 billion remaining to purchase shares under its share repurchase program. UAL may repurchase shares through the open market, privately negotiated transactions, block trades or accelerated share repurchase transactions from time to time in accordance with applicable securities laws. UAL will repurchase shares of UAL common stock subject to prevailing market conditions, and may discontinue such repurchases at any time. See Part II, Item 2, Unregistered Sales of Equity Securities and Use of Proceeds of this report for additional information.