A union representing thousands of pilots filed a lawsuit against Southwest Airlines after the company announced mandatory COVID-19 vaccination requirements. In a recent court filing, the Southwest Airlines Pilots Association (SWAPA) asked a judge to grant a temporary injunction against the vaccination mandate while also asking for an immediate hearing on its request before a federal court in Dallas. The union asserts that the Texas-based airline violated terms under the Railway Labor Act with its vaccine mandate. “The new vaccine mandate unlawfully imposes new conditions of employment and the new policy threatens termination of any pilot not fully vaccinated by December 8, 2021,” the Southwest Airlines Pilots Association’s lawyers wrote in their legal filing. “Southwest Airlines’ additional new and unilateral modification of the parties’ collective bargaining agreement is in clear violation of the [Railway Labor Act].” The union, as well as other pilots’ unions, have argued that COVID-19 vaccines pose a unique …