9 days Osaka/Tokyo

Hi, I would like to seek your advise, am not sure if I should get a JR Pass for my 9 days trip to Osaka/Tokyo. Can we use the JR pass to travel from airport to city?

My itinerary as follows;

Day 1 Arrive Kansai Airpot
Day 2 Osaka sightseeing
Day 3 USJ
Day 4 Depart Tokyo
Day 5 City Sightseeing
Day 6 Disney
Day 7 Mount Fuji/Hakone/Gotemba (overnight)
Day 8 City Sightseeing
Day 9 Depart to Narita