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Air Courier Conference of America v. American Postal Workers Union

498 U.S. 517 · Decided February 26, 1991 · Supreme Court of the United States

Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.

At a glance

Air Courier Conference of America v. American Postal Workers Union was decided on February 26, 1991 unanimously (9–0). The Court reversed the lower court's decision. Chief Justice William H. Rehnquist wrote the opinion of the Court. SCDB classifies its main issue as “Standing, statutory” in the Judicial Power area.

Read the opinion

Case details

Citations
498 U.S. 517 · 111 S. Ct. 913 · 112 L. Ed. 2d 1125 · 1991 U.S. LEXIS 1299
Docket number
89-1416
Decided
February 26, 1991
Argued
November 28, 1990
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
9–0 (unanimous)
Majority opinion
William H. Rehnquist
Opinion assigned by
William H. Rehnquist
How the case arrived
Certiorari
Issue area
Judicial Power
Legal provision
5 U.S.C. § 702
Type of law
Infrequently litigated statute
Decision direction (SCDB)
Conservative what this means

How the Justices voted

JusticeVoteSeparate writing
Justice Byron R. WhiteMajority
Justice Thurgood MarshallSpecial concurrence
Justice Harry A. BlackmunSpecial concurrence
Chief Justice William H. RehnquistMajorityWrote an opinion
Justice John Paul StevensSpecial concurrenceWrote an opinion
Justice Sandra Day O'ConnorMajority
Justice Antonin ScaliaMajority
Justice Anthony M. KennedyMajority
Justice David H. SouterMajority

Full case caption

Air Courier Conference of America v. American Postal Workers Union, AFL-CIO, et al.

SCDB identifiers: case 1990-040, docket 1990-040-01.

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Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error