The FAA began a six-month review of United Airlines after a string of safety incidents like a tire falling off a Boeing 777 and a runway excursion.

The Federal Aviaiton Administration concluded a period of enhanced oversight at United Airlines, saying the carrier did not have major safety issues.

The Federal Aviation Administration said Wednesday it has completed a review of United Airlines and ended its enhanced oversight and approval process for the Chicago-based carrier to add aircraft and services.

The US Federal Aviation Administration has finished its review of United Airlines Holdings Inc. after finding no significant safety issues, the agency said in a statement on Wednesday.