Trans World Airlines, Inc. v. Hardison

Background

An airline ran a 24/7 maintenance and stores operation in Kansas City. A stores clerk began observing the Saturday Sabbath and asked not to work from Friday sunset to Saturday sunset. The airline and union used a seniority system for shift bids. After the clerk transferred buildings he lost seniority and could not avoid Saturday assignments. Management and the union tried swaps and limited adjustments, but the union would not break seniority and no swap succeeded. The clerk refused Saturday work, was fired for insubordination, and sued claiming the airline failed to provide a “reasonable accommodation” under Title VII and EEOC guidance.

Reasoning

The Court addressed how far Title VII requires employers to change schedules for religious observance. It held the airline had reasonably tried to accommodate and that the statute does not force an employer to violate an agreed seniority system or to impose unequal treatment on other employees. The Court emphasized that bona fide seniority systems are protected and that an employer need not bear more than a de minimis cost or rearrange seniority rights to accommodate an individual’s Sabbath observance.

Real world impact

The ruling limits when workers can compel schedule changes for religious reasons. Employers and unions that rely on neutral seniority rules generally need not carve out exceptions that would take away other employees’ contracted rights or impose substantial costs. Each case still depends on its facts about effort and hardship.

Dissents or concurrances

Justice Marshall dissented, arguing Congress intended broader protection for religious observers and that the airline had not proved undue hardship, warning the decision harms minority-faith workers.