Michael McGuinness

O'Melveny & Myers LLP

Michael McGuinness regularly advises employers regarding a wide variety of labor and employment issues such as discrimination and harassment, wrongful termination, reasonable accommodation under the disability laws, wage and hour violations, employee leaves, personnel policies and procedures, and other related matters.

Mike frequently conducts varied workplace investigations for employers and assists employers with enforcement proceedings conducted by outside agencies including the Equal Employment Opportunity Commission, the California Department of Fair Employment and Housing, the National Labor Relations Board, and the National Mediation Board.

Mike is a recognized authority on the Railway Labor Act and Airline Deregulation Act, and has frequently litigated matters for large airline clients arising under both statutes. He also provides legal advice to airline clients on their collective bargaining agreements and arbitrates disputes arising from those agreements. Mike has handled a variety of labor and consumer class actions, and regularly litigates employment matters through lower and appellate courts.

Mike is active in the legal community, serving on the Executive Committee of the Labor and Employment Section of the Los Angeles County Bar Association. Mike has been named a top Labor and Employment lawyer by the Daily Journal.

In addition to his Labor and Employment practice, Mike has played a prominent role on large litigation matters involving antitrust and intellectual property issues. And he dedicates time to pro bono matters, working with a drug rehabilitation center and on asylum and other matters.


  • Represented longtime client US Airways in a successful breach of contract arbitration against Republic Airlines in New York
  • Successfully argued a complex Airline Deregulation Act issue of first impression before the First Circuit Court of Appeals in an alleged class action filed by skycaps working at Boston’s Logan International Airport.  Mitchell v. US Airways, Inc., 720 F.3d 60 (1st Cir. 2013)
  • Secured summary judgment in April 2013 for US Airways in a wage and hour class action in federal court in Phoenix
  • Obtained preliminary injunction for Atlas Air that prohibited the International Brotherhood of Teamsters and its pilot members from engaging in slowdown activities designed to give the union greater leverage in collective bargaining. Atlas Air, Inc. v. Int’l Bhd. of Teamsters, 280 F. Supp. 3d 59 (D.D.C. 2017)
  • Won full dismissal for American Airlines of a case brought by four American pilots challenging an arbitration decision that the airline did not breach a seniority integration agreement
  • Successfully represented American Airlines in a Third Circuit Court of Appeals decision finding that American integrated the airline seniority lists of American Airlines and U.S. Airways pilots in a fair and equitable manner under the McCaskill-Bond Amendment to the Federal Aviation Act

Bar Admissions:

  • California

Court Admissions:

  • US District Court, Central, Northern and Southern Districts of California


  • Loyola Law School, Los Angeles, J.D., 1987: magna cum laude; Editor-in-Chief, Loyola Law Review
  • University of Washington, B.A., 1984: magna cum laude; Phi Beta Kappa


  • Honorable William Matthew Byrne, Jr., US District Court, Central District of California


Rate : $$$

What types of cases Attorney Michael McGuinness & O'Melveny & Myers LLP can handle?
O'Melveny & Myers LLP can handle cases related to laws concerning Litigation, Employment, Business, Aviation, Transportation. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is O'Melveny & Myers LLP located?
O'Melveny & Myers LLP is located at 400 S Hope St #18th+floor, Los Angeles, CA 90071, USA. You can reach out to O'Melveny & Myers LLP using their phone line 213-430-6557. You can also check their website omm.com or email them at [email protected].
How much would it cost to hire O'Melveny & Myers LLP?
Michael McGuinness lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
Are Michael McGuinness reviews trust-able?
We have the ratings and reviews moderation team who checks and verifies every review submitted on our website manually. You can trust all the reviews you see on Michael McGuinness lawyer profile listing.

Rate and write a review

Your email address will not be published. Required fields are marked *

Is this your profile?Claim it now.

Make sure your information is up to date.
O'Melveny & Myers LLP
South Hope Street 400
Los Angeles 90071 CA US
Get directions

Brian Orlow

Main Street 71-18
11367 NY US

Lina Stillman

Broadway 42
New York 10006 NY US