United Parcel Service, Inc. v. Mitchell et al.

Decided April 20, 1981. William Hubbs Rehnquist delivered the opinion of the Court.

Docket 80-169 · 451 U.S. 56 (1981) · Cited 878 times

We don’t yet publish a summary of this opinion — read the official text below for the Court’s holding and reasoning.

How the Justices voted

Decided 9–0.

“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. Source: the Supreme Court Database (Spaeth et al.), Washington University.

Precedents cited

Supreme Court decisions this opinion relies on, ordered by how often it cites each. Cases in our collection link through; others are named.

• Hines v. Anchor Motor Freight, Inc. · 424 U.S. 554 (1976)
• Vaca v. Sipes · 386 U.S. 171 (1967)
• International Union, United Automobile, Aerospace & Agricultural Implement Workers of America v. Hoosier Cardinal Corp. · 383 U.S. 696 (1966)
• Local Lodge No. 1424, International Ass'n of MacHinists v. National Labor Relations Board · 362 U.S. 411 (1960)
• Ford Motor Co. v. Huffman · 345 U.S. 330 (1953)
• Humphrey v. Moore · 375 U.S. 335 (1964)
• Johnson v. Railway Express Agency, Inc. · 421 U.S. 454 (1975)
• Steele v. Louisville & Nashville Railroad · 323 U.S. 192 (1944)
• Occidental Life Insurance v. Equal Employment Opportunity Commission · 432 U.S. 355 (1977)
• Bell v. Wolfish · 441 U.S. 520 (1979)
• United Steelworkers v. Warrior & Gulf Navigation Co. · 363 U.S. 574 (1960)
• Knetsch v. United States · 364 U.S. 361 (1960)
• International Brotherhood of Electrical Workers v. Foust · 442 U.S. 42 (1979)
• National Labor Relations Board v. Acme Industrial Co. · 385 U.S. 432 (1967)
• Czosek v. O'MARA · 397 U.S. 25 (1970)

Cited by

Later Supreme Court opinions in our collection that cite this case.

• DelCostello v. International Brotherhood of Teamsters · 462 U.S. 151 (1983)
• Chauffeurs, Teamsters & Helpers Local No. 391 v. Terry · 494 U.S. 558 (1990)
• LaRue v. DeWolff, Boberg & Associates, Inc. · 552 U.S. 248 (2008)
• Breininger v. Sheet Metal Workers International Ass'n Local Union No. 6 · 493 U.S. 67 (1989)
• Lampf, Pleva, Lipkind, Prupis & Petigrow v. Gilbertson · 501 U.S. 350 (1991)
• Reed v. United Transportation Union · 488 U.S. 319 (1989)
• Immigration & Naturalization Service v. Cardoza-Fonseca · 480 U.S. 421 (1987)
• McCleskey v. Zant · 499 U.S. 467 (1991)
• Dickerson v. United States · 530 U.S. 428 (2000)
• Kamen v. Kemper Financial Services, Inc. · 500 U.S. 90 (1991)
• Reno v. Koray · 515 U.S. 50 (1995)
• United Steelworkers of America, AFL-CIO-CLC v. Rawson · 495 U.S. 362 (1990)
• National Labor Relations Board v. Curtin Matheson Scientific, Inc. · 494 U.S. 775 (1990)
• United States v. Weber Aircraft Corp. · 465 U.S. 792 (1984)
• Department of Taxation and Finance of NY v. Milhelm Attea & Bros. · 512 U.S. 61 (1994)

Official text

Read the official opinion (U.S. Reports, govinfo.gov)

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Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-03. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).