Parking is awful on Magic game days to be honest and upwards of $20-$40 to park. You could also take the Sun Rail if you would like ... There is a station right near the arena. If driving, you may want to think about arriving an hour before the game actually starts.
Also, depending on where you are staying, remember The 4 can be hectic and again, finding a spot near the arena can be tricky as well with street closures and other fans heading to downtown for the game.
If you are staying near or at Disney, the drive is not like it's right down the road. It's a good 15-20 miles from the Disney area and you never know what traffic will be like. I know it's a Sunday and against the Hawks, still. Hope this helps.
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