https://www.cnbc.com/2019/02/03/how-to-stream-the-super-bowl-online-for-free.html

You can stream the Super Bowl online for free, and it doesn't matter where you are. CBS will offer the game on its website and through the CBS Sports apps on every popular streaming platform.

So, if you end up sitting on some tarmac with only your phone, or if you've cut the cord, all you need to do is download the CBS Sports app and open it.