James Cameron’s record-shattering Avatar franchise might face more prolonged waits for its future films. While fans can look forward to the upcoming Avatar: Fire and Ash this holiday season, uncertainty abounds regarding when the next adventures on Pandora will finally arrive.

Boeing CEO Kelly Ortberg warned during a Thursday conference that the Dow Jones manufacturer is behind on FAA certification requirements. This announcement carries significant weight for investors watching the aerospace giant’s regulatory and production timelines.