hi jrb, its up to you mate when you fly your bird free. you should know how your bird is responding  if your putting your glove up and he is coming straight away  he  is not far off ready, but its up to you if you feel confident in letting it go free ,then do it, but if there is something thats telling you not to fly it  free then dont. take your time and you will be ok, dont be rushed by anybody telling you when to fly him free its up to you and you only. when the time is right you will know. keep us up to date with his progress mate and good look.