It turns out Delta Air Lines will not be flying the Boeing 787 Dreamliner anytime soon. The airline decided to cancel 18 787-8 Dreamliners ordered as part of its 2008 merger with Northwest Airlines.

“Delta is one of the world’s largest operators of Boeing aircraft and our valued partnership with Boeing will remain strong as we safely and comfortably serve our customers across the world every day,” said Greg May, senior vice president – supply chain management and fleet, Delta Air Lines. “This business decision is consistent with Delta’s fleet strategy to prudently address our widebody aircraft needs.”

Specific terms of agreement and reasons for cancelation with Boeing were not disclosed, but Delta will continue to take delivery of new 737-900ER aircraft through 2019 as two orders totaling 120 of the narrow-body jet are fulfilled.

Delta experienced weakening revenue in 2016 on international widebody flights. According to Travel Weekly, Delta’s average revenue per seat miles was down 6.6 percent on trans-Atlantic flights in the first three quarters of 2016 and down 9.3 percent on flights to the Pacific basin. Delta plans to increase capacity by just 1 percent in 2017.