JetBlue is cutting 20 routes and abandoning 5 cities as it scrambles to slash costs amid its failed Spirit merger — see the list

• JetBlue Airways is cutting 20 routes this summer across the US and Latin America.
• This will result in the airline exiting five cities altogether.
• JetBlue is trying to cut costs amid its failed Spirit merger and the grounding of some Airbus jets.

JetBlue Airways is taking an ax to its network as it works to cut costs and improve on-time performance.

In an internal memo sent to employees Wednesday and shared with Business Insider, JetBlue's vice president of network planning and airline partnerships, Dave Jehn, said the airline would leave five cities, effective June 13. He listed an additional 16 route cuts.