Why Palpatine CAN’T Fly Like Leia In The Last Jedi to SAVE Himself

In Star Wars The Last Jedi, we got the Leia scene where she flew through space towards her ship as a means of saving herself. However, why didn’t Palpatine do this in Star Wars Return of the Jedi? He could have easily just flown to the ledge and saved himself, however, he didn’t! Why??? Let’s break it down!