United B739 near Grand Junction on Apr 29th 2026, burning odour on board

Last Update: April 30, 2026 / 14:02:42 GMT/Zulu time

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Incident Facts

Date of incident
Apr 29, 2026

Classification
Incident

Airline
United

Flight number
UA-493

Departure
Denver, United States

Destination
Las Vegas, United States

Aircraft Registration
N36444

Aircraft Type
Boeing 737-900

ICAO Type Designator
B739

A United Boeing 737-900, registration N36444 performing flight UA-493 from Denver,CO to Las Vegas,NV (USA), was enroute at FL300 about 60nm southwest of Grand Junction,CO (USA) when the crew decided to turn around and divert to Grand Junction reporting a burning odour in the cabin. The aircraft landed safely on Grand Junction's runway 29 about 17 minutes later.

The airline reported the aircraft landed safely in Grand Junction to address an odour in the cabin. The passengers disembarked normally at the gate, a replacement aircraft was dispatched.

Passengers reported their screens began to flicker and then went dark, the smell of electrical burning developed, a distinct smell of an electrical fire occurred. The aircraft stopped on the runway, fire fighters inspected the aircraft from the outside and boarded the aircraft for inside checks.

A replacement Boeing 737-900 registration N37437 reached Las Vegas with a delay of about 6 hours.

The occurrence aircraft is still on the ground in Grand Junction about 16 hours after landing.
Aircraft Registration Data
Registration mark
N36444
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
737-924ER
Number of Seats
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ICAO Aircraft Type
B739
Year of Manufacture
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Serial Number
Anhkb Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
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Engine Count
N Subscribe to unlock
Engine Manufacturer
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Engine Model
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Engine Type
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Pounds of Thrust
PAme Subscribe to unlock
Main Owner
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Incident Facts

Date of incident
Apr 29, 2026

Classification
Incident

Airline
United

Flight number
UA-493

Departure
Denver, United States

Destination
Las Vegas, United States

Aircraft Registration
N36444

Aircraft Type
Boeing 737-900

ICAO Type Designator
B739

This article is published under license from Avherald.com. © of text by Avherald.com.
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