Until you get other answers, here are approximate numbers from GPS data from 2 sources:
Ramon Road to Skyline Trail: 1.4 miles, 900 feet of gain.
Skyline Trail up to elevation 2650: 1.5 miles, 1250 feet of gain.
Total: 2.9 and 2150.
Ramon Road is around elevation 500 feet.
(Post written before I saw Dougb's post.)