There have been successful "talk-down landings" in which someone on the ground has given instructions over radio for a passenger to land an aircraft when the pilot was incapacitated, but has anyone with no flight training ever survivably landed a plane without help?
Things that don't count:
- A computer does all or almost all of the work, e.g. Garmin Autoland
- The aircraft lands itself without intervention, e.g. Cornfield Bomber
- The person built the aircraft, e.g. the Wright Brothers