Mandatory Passenger Face Masks Requirement - Effective May 4, 2020 Date: May 2, 2020 MEC Safety Health and Security CommitteeEffective May 4, 2020 United will require that all passengers and front-line personnel including Flight Attendants, pilots, customer service agents, and ramp service personnel, to wear a face covering/mask while in the airport or onboard the aircraft. Look for additional information to be released soon Share this page: More News