Passenger Left Speechless by What She Spots Woman Doing on Plane [Video]

A video showing a passenger doing a “vigorous” exercise routine from her seat for nearly the entire duration of a United Airlines flight has gone viral on Instagram.

The video was captured by Instagram user @sageacres_farm, who is a private farm sanctuary owner and mom of three children, the poster told Newsweek. The clip has garnered 5.9 million views since it was shared on January 1.

“I thought I saw it all but then I experienced this woman’s 90-minute plane HIIT [high-intensity interval training] class, interesting indeed,” a caption shared with the post reads.

The footage shows a woman moving her arms and legs in the air while using an exercise band in her seat.

“This was very weird on a 2 hour flight. I feel so bad for the person terrified next to her,” a note overlaid on the video says.

The poster, who did not share her name or age, was traveling with her family from Newark …