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AIRLIVE > All articles > Location > North America > USA > United flight UA2123 to SFO declared an emergency then diverted to Salt Lake City
EmergencyTrackingUSA

United flight UA2123 to SFO declared an emergency then diverted to Salt Lake City

AIRLIVE contibutors
Last updated: May 6, 2026, 08:33 UTC
Published: Wednesday, May 6, 2026, at 08:33 UTC
Category: Emergency Tracking USA
Author: AIRLIVE contibutors

Airline: United Airlines
Tail: Aircraft: Boeing 737-824
Data: N24202 SLC UA UA2123
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SALT LAKE CITY – A United Airlines flight bound for San Francisco was forced to make an emergency landing in Utah late Tuesday night, leaving passengers grounded as investigators look into the cause of the diversion.

Flight Details

United Flight UA2123, operated by a Boeing 737-800 (registration N24202), departed Denver International Airport at 8:47 PM MDT on Tuesday, May 5. The aircraft reached its cruising altitude of 34,000 feet, traversing the airspace over Colorado and into Utah.

According to flight tracking data, the situation changed abruptly while the aircraft was over Utah. The flight crew transmitted a Squawk 7700 code (the international signal for a general emergency) and immediately requested a flight path change toward Salt Lake City International Airport (SLC).

The Landing

The aircraft touched down safely at SLC approximately three hours after its initial departure from Denver. Emergency ground crews were reportedly on standby, though the landing proceeded without further incident.

“United flight 2123 diverted to Salt Lake City to address a technical issue,” a spokesperson for the airline confirmed in a brief statement. “The aircraft landed safely, and we are working to get our customers to their final destinations as quickly as possible.”

Status of the Aircraft

The specific reason for the emergency remains officially unknown. While United confirmed the diversion, they have not yet specified whether the issue was mechanical, medical, or related to flight systems.

Key Facts About the Aircraft:

  • Model: Boeing 737-800
  • Age: 26 years old
  • Current Location: Salt Lake City International Airport
  • Status: Grounded; the aircraft has not yet resumed service or continued to San Francisco.

Passengers were reportedly deplaned at the terminal. It remains unclear if a replacement aircraft was dispatched to complete the final leg of the journey to San Francisco International Airport (SFO).

TAGGED:N24202SLCUAUA2123
ByAIRLIVE contibutors
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