Dallas Air Show: dark objects, not planes

A Reddit user posted this clip in r/aliens and said she saw two black objects moving slowly across the sky on November 7, near the end of the Dallas Air Show. The footage shows a plane alongside a small dark speck, but it does not provide enough detail to identify the object or establish that there were two. Brief voices in the clip react and ask what they are seeing. The source title describes the objects as not planes, but the footage alone does not confirm what they were.