This educational guide is based on the linked primary sources. It is not a Court publication, is not affiliated with the Court, and is not legal advice.
In brief
Overview
According to Union Pacific Railroad, the dispute centers on the Railway Labor Act’s Section 3 First (q), which makes division awards conclusive except for three expressly listed exceptions.
According to Union Pacific Railroad, union Pacific argues that the respondent waived the first statutory ground of review in its brief to the Seventh Circuit.
According to Union Pacific Railroad, union Pacific contends that the statute guarantees specific procedural rights, not an abstract notion of fairness.
The respondent maintains that the Steelworker trilogy standard for labor arbitration does not apply under the Railway Labor Act.
According to Mr. Ballenger, the respondent argues that evidence of conferencing is essential to the board’s consideration of disputes, citing a 40‑year‑old precedent (Award 18679).
Background and question before the Court
Justice Sotomayor asked why the case does not focus on a statutory violation as the central issue.
Justice Ginsburg questioned whether the board’s panels have authority to stay proceedings for conferencing and whether they possess rulemaking power.
Justice Stevens asked whether the board’s decisions were issued board‑wide or limited to a single panel.
According to Justice Sotomayor, justice Sotomayor raised the distinction between government‑ordered arbitrations and private contracts.
- [1] a028204a186c7adae755-r1-f7c5ac7d273cf5b4.pdf, p. 4
- [2] a028204a186c7adae755-r1-f7c5ac7d273cf5b4.pdf, p. 10
- [3] a028204a186c7adae755-r1-f7c5ac7d273cf5b4.pdf, p. 35
- [4] a028204a186c7adae755-r1-f7c5ac7d273cf5b4.pdf, pp. 42–43
- [5] a028204a186c7adae755-r1-f7c5ac7d273cf5b4.pdf, p. 56
- [6] a028204a186c7adae755-r1-f7c5ac7d273cf5b4.pdf, p. 56
What each side argues
Union Pacific Railroad (Petitioner)
According to Union Pacific Railroad, section 3 First (q) of the Railway Labor Act makes division awards conclusive except for three expressly listed exceptions.
According to Union Pacific Railroad, the respondent waived the first statutory ground of review in its brief to the Seventh Circuit.
According to Union Pacific Railroad, the statute guarantees specific procedural rights, not an abstract notion of fairness.
Brotherhood of Locomotive Engineers and Trainmen General Committee of Adjustment (Respondent)
According to Respondent, the Steelworker trilogy standard for labor arbitration does not apply under the Railway Labor Act.
According to Mr. Ballenger, evidence of conferencing is essential to the board’s consideration of disputes, as established in Award 18679 and other precedent.
According to Thomas H. Geoghegan, section 2 of the Railway Labor Act governs conferencing, while Section 3 contains no mention of conferencing.
According to Mr. GEOGHEGAN, section 301.5 requires parties to raise relevant argumentative facts.
According to Mr. Ballenger, even if a court believes an arbitrator committed serious error, the board’s decision stands if it is arguably construing or applying the relevant rules.
What happened at oral argument
Oral argument before the Supreme Court began at 12:59 p.m. on the scheduled date.
The case was submitted after oral argument concluded.
What the Court decided
Why it matters
Terms to know
No glossary terms are available for this guide.
Primary sources
Read the source materials on the official site or open the immutable repository copy used for this guide.
- a028204a186c7adae755-r1-f7c5ac7d273cf5b4.pdforal argument transcript
Guide generated September 23, 2026. Automated validation accepted this version.