No fatalities

BOEING 737-824 accident at Denver, CO, 1 Sept 2022

Denver, CO, United States

On September 1, 2022, a BOEING 737-824 operated by UNITED AIRLINES INC was involved in an aviation accident near Denver, CO. No fatalities were reported. Investigators recorded the probable cause as: An encounter with clear air turbulence, which resulted in a serious injury as a flight attendant was lowering her jumpseat. 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 737-824
Photo: San Diego Air & Space Museum Archives / Public domain, via Wikimedia Commons

Probable cause

An encounter with clear air turbulence, which resulted in a serious injury as a flight attendant was lowering her jumpseat.

— NTSB Determination

Contributing factors

Effect on personnelAwareness of conditionContributed to outcome