![spirit_airlines_500px](https://www.ibj.com/wp-content/uploads/2019/01/Spirit_Airline_plane_500px-300x199.jpg)
In court documents, JetBlue says it could raise fares on some routes after buying Spirit Airlines
Consumer advocates say the disclosure supports the antitrust lawsuit aimed at blocking JetBlue’s $3.8 billion purchase of Spirit, the nation’s largest discount airline.