The U.S. Supreme Court delayed its timetable for considering whether to grant review in a trio of cases that could determine whether employers can discriminate against LGBT workers without violating federal civil rights law.

The move came a few hours after the court listed the cases for consideration at its Dec. 7 conference. The court was scheduled to consider the cases during earlier conferences but delayed them without explanation. Any single justice can ask for a case to be rescheduled for any reason.

The question before the court in the cases is whether Title VII of the 1964 Civil Rights...