A United Airlines flight bound for Tokyo was forced to return to San Francisco International Airport on Monday after spending over three hours in transit without reaching its destination. Shortly after takeoff,

The mishap happened Saturday afternoon on United Flight 198 from Los Angeles International Airport to Shanghai Pudong International Airport. Data on FlightAware.com showed the flight took off on time just before 2 p.m. but was diverted to San Francisco, where it landed just after 5 p.m. There were 257 passengers and 13 crew members onboard.

A United Airlines flight bound for China was forced to divert to San Francisco after the pilot realized he'd forgotten his passport following departure from LAX in Los Angeles on March 22, according to reports.

United Airlines Holdings said it plans to become the only U.S. airline to offer flights to Bangkok, Thailand, and Ho Chi Minh City, Vietnam. The carrier said Wednesday that it is extending its Pacific network with those new flights,

United announced it intends to be the only U.S. airline to offer flights to Bangkok, Thailand, and Ho Chi Minh City, Vietnam, with new daily

United Airlines (UA) is expanding its Pacific network by adding new services to Manila, Bangkok, Ho Chi Minh City, and Adelaide. If approved, the routes to Thailand and Vietnam will make UA the only U.