The tweet you linked is an account that's linked to at least one disinformation farm.
Think about it for two seconds, if that really happened, there would be hundreds of witnesses, everybody would be talking about the flight number, there would be cell phone videos and corporate social media responses. None of those things exist, so either everybody on the plane, the airport, and all their friends and relatives are in on the conspiracy except this one bot account, or they're making shit up to stir up conservatives, which is what they've done all day every day since joining the site in January 2017.
I just looked at the account...you are correct, it does seem to be a very right-leaning account, so I deleted the link. The tweet seemed credible, but given the mass-downvoting in this thread, I'll err on the side of caution. Regardless, the tweet was an afterthought, not the main point of the comment.
Think about it for two seconds, if that really happened, there would be hundreds of witnesses, everybody would be talking about the flight number, there would be cell phone videos and corporate social media responses. None of those things exist, so either everybody on the plane, the airport, and all their friends and relatives are in on the conspiracy except this one bot account, or they're making shit up to stir up conservatives, which is what they've done all day every day since joining the site in January 2017.