I-4 from I-75 east of Tampa over to Disney is usually not that bad. But the way I usually go is:
SR 80 Fort Myers EAST to LaBelle.
SR 29 LaBelle NORTH to Palmdale. (only 2-lane section; short stretch)
US 27 Palmdale NORTH TO I-4 at Davenport.
I-4 EAST three exits over to Disney.
BobK/Orlando