6-12 weeks. It takes about 6 weeks for all of the soft tissues to heal after surgery. Then you have to regain strenght in the arm. Typically, total elbow arthroplasty (tea) requires a lifting restriction but motion should be unlimited.
MUST. Ask your orthopedic surgeon.
Just for the sale of. Healing, wait til you have full use and physical therapy, and the wound has completely healed.
1-2 weeks. As soon as you are comfortable to fly.
About 12 weeks. You should ask your surgeon as I limit lifting to ten pounds. You need at least twelve weeks to optimize your post operative recovery.