The government may deport an immigrant appealing a deportation order in federal court even before the court rules on the case, unless the court issues a stay of removal. In its 2009 decision in Nken v. Holder, the Supreme Court clarified that the legal standard for stays of removal is the same test courts use for preliminary injunctions. Yet Justice Kennedy expressed frustration that the Court had little data to inform its decision. The Court will likely need to revisit this issue, as doubts cloud the meaning of Nken’s main holdings, in part because the government misled the Court. This Article responds to Justice Kennedy’s request for data and sheds light on the doctrinal controversies surrounding stays by presenting groundbreaking empiric...