Qatar Airways has reported further effects from the grounding of its Boeing 787-8s, announcing frequency reductions on one new route and a launch postponement on another. The 787 has been grounded worldwide since Jan. 16.

Qatar’s planned daily non-stop Doha-Chicago O’Hare service, slated to get underway on April 10, will initially be operated only 3X-weekly, the airline said. However, the carrier said it will increase to the planned daily frequency from June 15.

Additionally, the launch of 3X-weekly flights between Doha and Chengdu (in central China), which was intended to start on March 19, has been postponed indefinitely.

The announcements come as the carrier works to adjust capacity on routes as a result of the grounding of its Dreamliners. Passengers with tickets for the affected services are being rebooked on alternative flights and routings, Qatar said.