No fatalities

Boeing 737 924ER accident at SFO International Airport, CA, 6 Aug 2019

SFO International Airport, CA, United States

On August 6, 2019, a Boeing 737 924ER operated by UNITED AIR LINES INC was involved in an aviation accident near SFO International Airport, CA. No fatalities were reported. Investigators recorded the probable cause as: the ramp controller directing a Boeing 737 to hold in a location that was marked for a regional jet. This summary draws on records from NTSB; 17 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards
Boeing 737 924ER
Photo: San Diego Air & Space Museum Archives / Public domain, via Wikimedia Commons

Probable cause

the ramp controller directing a Boeing 737 to hold in a location that was marked for a regional jet.

— NTSB Determination

Contributing factors

OperatorGround crew