I think atti if you can fly a staight line and keep it at 30mph. Time vs distance will depend on the wind. At 30% battery he math would say about 8 minutes and I think 5 minutes would be the max and too risky for me. Atti has no gps path correction and should consume less energy as long as your not all over the sky. At 30mph you should be able to get 2.5 miles in 5 minutes with no wind. I try to land with at least 15% bat.