United Flight from San Francisco Diverted Midair After Video Shows Plane's Wing Damaged
- United Airlines flight from San Francisco to Boston diverted to Denver due to issue with plane's wing
- Passenger video shows wing visibly damaged and "coming apart"
- 165 passengers were on board the Boeing 757-200 which landed safely
- Passengers transferred to different plane to complete journey to Boston
- Incident comes amid recent scrutiny of Boeing over other aircraft issues