you can use the ground game to dictate the air game
especially since you are ryu you should be using you projectiles to control the space
the better way to monitor the situations of when hes going to jump is to not let him get to the spots were its optimal to jump without creating some resistance
you want to create hesitancy on their part as well. The match may slow down a little but thats not slowing down you as a player
you just want to make sure that they have to pay attention to details as well
your explanation shows that you are aware of how this works and like the others have said your processing speed will improve naturally the more that you play.
you just want to make sure that your opponent has to stop and think as well otherwise you might overthink all the angles and get beat by the path of least resistance, which happens to alot of people in tournaments especially low to mid level players