This business is legit. They take the guess work, planning, driving, and hassle out of it all. Snacks, drinks, and lunch provided with a good amount of time between each stop. Didn't feel rushed nor did we feel like we were standing around too long with nothing to do.
The drive up was filled with sightseeing and history from our guide. Horseshoe was free roam, lunch by the dam was provided and set up.
The antelope tour itself is not ran by Grand Canyon adventures, you do get handed to a Native guide there. This part of the tour was slightly rushed and busier but this is no reflection of Grand Canyon Adventures. However, we still got plenty of history and photo ops within our allotted time! The natives know where to get the best photos.
We stayed in Sedona but drove to Flagstaff (approx 40 mins) then from flagstaff to page the tour took over. Would definitely do again.