United Airlines Flight 2428 responded to an onboard alert Thursday that another aircraft was in the vicinity, according to the FAA.

Two passengers were injured Thursday when a United Airlines flight abruptly altered its course as it descended into San Francisco. "United flight 2428 was descending to SFO on Sept. 19 with the seatbelt sign on when it slowed its descent to account for another aircraft at a lower altitude.

The United Airlines Boeing 757 slowed its descent into San Francisco to avoid another plane, causing two passengers to be taken to hospital.

Two passengers aboard a United Airlines flight were injured when the aircraft had to slow its descent after receiving a warning that another aircraft was nearby, officials said.

An United flight bound for San Francisco International Airport had to suddenly slow its descent to avoid another aircraft last week, leading to the hospitalization of two passengers, the airline said Tuesday.

Two passengers aboard a United Airlines flight, on descent into San Francisco, suffered injuries as the pilot maneuvered to avoid a midair collision.