BreachCensus

Southwest Airlines Co.

TransportUnited States of America

Southwest Airlines Co. is a transport organisation in Massachusetts. It appears on the Massachusetts Attorney General breach-notification register and the California Attorney General breach-notification register with 2 confirmed incidents; the most recent notice was filed on June 23, 2023.

Headquarters
Dallas, United States
Employees
59,793 (as of 2019)
ISIN
US8447411088
LEI
UDTZ87G0STFETI6HGH41
Wikidata
Q503308

Data as of September 13, 2026.

Confirmed incident

US-MA

Disclosed
June 23, 2023

Timeline

  1. June 23, 2023
    Reported to regulator Regulator

    MA AG breach notification: 9 Massachusetts residents affected

    source
What a Massachusetts notice means

Governed by M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

Confirmed incident

US-CA

Occurred
October 1, 2017
Disclosed
April 20, 2018

Timeline

  1. April 20, 2018
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source

Litigation

  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
What a California notice means

Governed by Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗