The U.S. Department of Transportation has launched an investigation into consumer complaints that the airlines unfairly hiked ticket prices along routes in the northeast corridor after the fatal Amtrak derailment near Philadelphia on May 12th.

Fallout from the May 12th derailment of an Amtrak train in Philadelphia continues as the U.S. government launches an investigation into possible price gouging after the incident. 

According to Transportation Secretary Anthony Foxx, his department recently sent letters to major domestic airlines Delta, American Airlines, Southwest, JetBlue, and United, inquiring about their pricing and