American Airlines and JetBlue’s partnership has taken off.

On Thursday, the two airlines launched their “Northeast Alliance,” a codeshare partnership that united very nearly 80 flights from the two carriers – including 33 brand-new routes. All courses are either into or out of Boston or New York City’s three airports.

Presently customers can book 49 codeshare routes worked by JetBlue utilizing the American Airlines site, or 25 codeshare routes operated by American Airlines utilizing the JetBlue site, as per the dispatch declaration.

Despite the fact that they can be reserved now, the codeshare flights will not start flying until Feb. 25.

In its declaration, American Airlines said codesharing “provides access to a broader network by allowing travelers to book a single itinerary directly with their preferred airline for flights operated by a partner airline.”

The carrier additionally said that more business sectors in the Northeast would be added to the organization “regularly throughout the first half of this year.”

“This is the first step to delivering the best customer proposition with the biggest network in New York and Boston,” Vasu Raja, American’s chief revenue officer, said in a statement. “In the months ahead, we’ll continue to create a seamless experience that’s easy for our customers, supports our communities and leads to more growth for our team.”

As per JetBlue’s declaration, clients who are individuals from either carrier’s mileage program will actually want to begin acquiring focuses or miles on codeshare flights this spring.

The carriers plan to grow benefits for both JetBlue’s TrueBlue and American’s AAdvantage program individuals consistently.

“Our alliance with American opens the door for JetBlue to successfully enter into new markets, introducing more choices and our award-winning service and low fares to more customers,” Scott Laurence, JetBlue’s head of revenue and planning, said in a statement. “The alliance is also essential to getting our planes back in the air profitably and crewmembers working again.”

American and JetBlue previously reported their association over the mid year. At that point, the carriers said they would have the option to offer more serious costs and increment worldwide flights.

As indicated by American Airlines’ Thursday declaration, the two aircrafts are intending to codeshare global courses “soon.”