Here's one from June 2000. The park hours were 9 am to 10 pm.
The Shamu Adventure
11:00, 12:30, 2:00, 5:15
Key West Dolphin Fest (now the Key West Dolphin Fest)
10:00, 12:15, 1:45, 2:45, 3:45, 6:45
Clyde and Seamore Take Pirate Island
11:15, 12:30, 1:45, 2:45, 4:45, 7:45
Cirque de la Mer
1:30, 3:00, 4:30, 7:00
Intesity Water Ski Show
12:00, 3:15, 6:00
Hawaiian Rhythms
2:30, 3:15, 4:00
Pets on Stage
12:00, 2:00, 3:30, 5:00, 6:30, 8:00
Friends of a Feather (no longer shown)
12:30, 1:30, 2:30, 4:00
Shamu Rocks America
8:45
Red, Bright, and Blue Spectacular (shown seasonally)
9:25
Here's one from May 2001. Park hours were 9 am to 10 pm.
Shamu Adventure Show
11:00, 2:00, 5:15
Key West Fest
10:00, 12:15, 1:45, 4:45, 6:45
Clyde and Seamore Take Pirate Island
11:15, 12:30, 2:45, 4:45, 7:45
Intensity Games Water Ski Show
1:45, 4:30, 6:00
Hawaiian Rhythms
2:30, 3:15, 4:00
Pets on Stage (closed for refurbishment, now open as Pets Ahoy)
Crique de la Mer
1:30, 3:00, 7:00
Anheuser-Busch Beer School
11:45, 1:15, 2:45, 4:15, 6:45, 8:00
Shamu's Big Chill
8:45
Rock N Rockets
9:45
General trends with the park:
The most show times per day seem to be with Cylde and Seamore. The least show times per day seem to be with Crique de la Mer.