Listing the length of each attraction at Islands of Adventure, in minutes:

Islands of Adventure Attraction Durations
Attraction Duration
Pteranodon Flyers 1 minutes
Caro-Seuss-el 2 minutes
Doctor Doom's Fearfall 2 minutes
Flight of the Hippogriff 3 minutes
The Incredible Hulk Coaster 4 minutes
One Fish, Two Fish, Red Fish, Blue Fish 4 minutes
Storm Force Accelatron 4 minutes
Triwizard Spirit Rally 5 minutes
Frog Choir 5 minutes
Hogwarts Express - Hogsmeade Station 5 minutes
Harry Potter and the Forbidden Journey 6 minutes
The High in the Sky Seuss Trolley Train Ride! 6 minutes
The Cat in the Hat 6 minutes
The Amazing Adventures of Spider-Man 7 minutes
Ollivanders 7 minutes
Popeye & Bluto's Bilge-Rat Barges 7 minutes
Dragon Challenge 8 minutes
The Mystic Fountain 8 minutes
Jurassic Park River Adventure 9 minutes
Oh! The Stories You'll Hear! 9 minutes
Dudley Do-Right's Ripsaw Falls 10 minutes
Me Ship, The Olive 15 minutes
Jurassic Park Discovery Center 15 minutes
If I Ran the Zoo 15 minutes
Camp Jurassic 20 minutes
The Eighth Voyage of Sindbad Stunt Show 20 minutes
Poseidon's Fury 25 minutes

Duration of Attractions at Other Parks