are they into any partnership with other airlines?
Irish flag carrier Aer Lingus,  Lufthansa
JetBlue
JetBlue partnered with Irish flag carrier Aer Lingus to allow passengers to switch between airlines on a single ticket for flights with connections in either New York JFK or Boston. Unlike traditional codeshare agreements, the partnership did not allow the airlines to directly sell seats on each other's flights, therefore, customers initiated the purchase on one airline's website and then were transferred to the other site to complete the transaction.

After making a codeshare agreement with Lufthansa that went into effect in 2010
first jetblue mint flight between jfk and lax UNANSWERABLE what is "jetblue mint? Mint is a premium airline product offered by JetBlue on some flights between the West Coast and the East Coast of the contiguous United States, and seasonally on some flights between the United States and Caribbean destinations. when was this jet airline launched? February 1999 who are the owners? David Neeleman can you mention some of its ventures? JTV is the venture capital arm of JetBlue that invests in and partners with early-stage startups in the travel, hospitality, and transportation space. how does their program for frequent flyers work? JetBlue's frequent-flyer program is called "TrueBlue". Under the original TrueBlue program, flights were worth two, four, or six points based on distance of the flights, and double points were awarded for flights booked online.
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JetBlue [SEP] Airline partnerships
By making use of JetBlue's North America routes as a feeder network, the agreement put Lufthansa in a position to operate quasi-hubs in New York–JFK and Boston Logan. Also in 2010, JetBlue entered into interline booking agreements with South African Airways and American Airlines to facilitate luggage transfers between airlines for passengers with connecting flights on a different carrier. The agreement with American included JetBlue's 18 destinations not served by American and American's 12 international flights out of New York–JFK and Boston Logan. In addition, American gave JetBlue 8 round trips slots out of Washington National in D.C. and 2 out of Westchester, New York.