<SEC-DOCUMENT>0001104659-20-017615-index.html : 20200212 <SEC-HEADER>0001104659-20-017615.hdr.sgml : 20200212 <ACCEPTANCE-DATETIME>20200212072317 ACCESSION NUMBER: 0001104659-20-017615 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20200212 DATE AS OF CHANGE: 20200212 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SOUTHWEST AIRLINES CO CENTRAL INDEX KEY: 0000092380 STANDARD INDUSTRIAL CLASSIFICATION: AIR TRANSPORTATION, SCHEDULED [4512] IRS NUMBER: 741563240 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-33255 FILM NUMBER: 20599726 BUSINESS ADDRESS: STREET 1: 2702 LOVE FIELD DR STREET 2: P O BOX 36611 CITY: DALLAS STATE: TX ZIP: 75235 BUSINESS PHONE: 2147924000 MAIL ADDRESS: STREET 1: PO BOX 36611 CITY: DALLAS STATE: TX ZIP: 75235-1611 FORMER COMPANY: FORMER CONFORMED NAME: AIR SOUTHWEST CO DATE OF NAME CHANGE: 19760108 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: VANGUARD CHESTER FUNDS CENTRAL INDEX KEY: 0000752177 IRS NUMBER: 232311358 FISCAL YEAR END: 0930 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: PO BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482 BUSINESS PHONE: 6106691000 MAIL ADDRESS: STREET 1: P.O. BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482 FORMER COMPANY: FORMER CONFORMED NAME: VANGUARD PRIMECAP FUND/ DATE OF NAME CHANGE: 20011121 FORMER COMPANY: FORMER CONFORMED NAME: VANGUARD/PRIMECAP FUND INC DATE OF NAME CHANGE: 19940608 FORMER COMPANY: FORMER CONFORMED NAME: PRIMECAP FUND INC DATE OF NAME CHANGE: 19920703 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>tv0005-southwestairlinesco.htm <DESCRIPTION>SCHEDULE 13G/A <TEXT> Document 1 - file: tv0005-southwestairlinesco.htm
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