Rain McMillan Walmsey, 22, died after becoming unresponsive during a Southwest Airlines flight from Dallas to Los Angeles on Aug. 7. Flight 958 landed at Los Angeles International Airport, where paramedics continued efforts to save him. The Los Angeles County Medical Examiner has deferred the cause of death while the investigation continues. Officials have not disclosed the type of medical emergency or listed a manner of death.

Passenger becomes unresponsive during Dallas to Los Angeles flight

Walmsey was traveling aboard Southwest Flight 958 from Dallas to Los Angeles on Aug. 7 when he experienced a medical emergency and became unresponsive. The circumstances leading to the emergency have not been made public. Law enforcement sources said the incident occurred while the aircraft was en route to Los Angeles, but officials have not identified the medical condition involved.

Emergency response continues aboard the aircraft and at LAX

People aboard the aircraft attempted to help Walmsey after he became unresponsive. CPR was administered during the flight, according to law enforcement information reported after the incident. When the plane arrived at Los Angeles International Airport, paramedics responded and continued resuscitation efforts. Walmsey could not be revived and was pronounced dead at the scene.

Medical examiner defers cause and manner of death

Newly released records from the Los Angeles County Medical Examiner identify Walmsey as a 22-year-old man and list his place of death as the Southwest plane at LAX. The records list his cause of death as deferred. That designation means the medical examiner has not reached a final determination and is awaiting additional investigation. No manner of death has been listed, and the available records do not state whether the death was accidental, natural or otherwise.

Airline confirms a medical incident involving a customer

Southwest Airlines confirmed that a medical incident involving a customer occurred aboard Flight 958 from Dallas to Los Angeles on Friday. The airline did not provide further details about Walmsey’s condition, the response on board or the circumstances of his death. It referred additional questions to local authorities, who are responsible for the ongoing investigation and the medical examiner’s determination.

“Medical incident involving a customer.”

Death follows other serious in-flight medical emergencies

The death is among several recent cases in which passengers experienced severe medical emergencies during commercial flights. In January 2025, 53-year-old Barbara Dipoli died aboard an Air France flight from Paris to Boston after authorities said preliminary information pointed to a medical episode. In June 2024, 8-year-old Sydney Weston became ill and unresponsive aboard a SkyWest flight before it diverted to Peoria, Illinois. That same month, a 41-year-old American passenger died after a severe medical emergency aboard a Fiji Airways flight bound for San Francisco. These cases involved different airlines and circumstances, and no connection between them and Walmsey’s death has been established.

Summary

The investigation into Walmsey’s death remains open. Authorities have confirmed the emergency response and the death at LAX, but the underlying medical cause has not been determined. Further findings from the Los Angeles County Medical Examiner are needed before the circumstances can be fully established.

Frequently Asked Questions

Who died aboard the Southwest flight?

The passenger was identified as Rain McMillan Walmsey, a 22-year-old man.

What happened during the flight?

Walmsey experienced a medical emergency and became unresponsive while Flight 958 traveled from Dallas to Los Angeles. CPR was administered aboard the aircraft.

What is known about the cause of death?

The Los Angeles County Medical Examiner has deferred the cause of death pending additional investigation. No manner of death has been listed.

©2025 News Journos. All rights reserved.

A 22-year-old passenger died after becoming unresponsive during a Southwest Airlines flight from Dallas to Los Angeles on Aug. 7. CPR was administered aboard the aircraft before paramedics met the plane at Los Angeles International Airport. The passenger, Rain McMillan Walmsey, could not be revived and was pronounced dead at the scene. The Los Angeles County Medical Examiner has deferred the cause of death while further investigation continues.

Officials have not disclosed what type of medical emergency occurred or identified a manner of death. Southwest confirmed that a medical incident involving a customer took place on Flight 958 but referred additional questions to local authorities.

Passenger becomes unresponsive during Dallas-to-Los Angeles flight

Walmsey was traveling aboard Southwest Flight 958 from Dallas to Los Angeles on Aug. 7 when he experienced a medical emergency and became unresponsive. The flight was headed to Los Angeles International Airport in California. Law enforcement sources said the nature of the emergency was not immediately known.

The passenger was 22 years old, according to records released by the Los Angeles County Medical Examiner. Officials are investigating the circumstances surrounding his sudden death, but no public determination has been made about what caused him to lose consciousness.

CPR and emergency response efforts continue through landing

People aboard the aircraft attempted to save Walmsey after he became unresponsive. CPR was administered during the flight as the plane continued toward Los Angeles. The response reflected an effort to provide immediate assistance before professional medical teams could reach the aircraft.

Paramedics responded when the flight arrived at Los Angeles International Airport. Despite the onboard CPR and efforts by emergency personnel, Walmsey could not be revived and was pronounced dead at the scene. The available records do not identify how long the emergency lasted or whether the flight was diverted.

Medical examiner defers cause and manner of death

The county medical examiner listed Walmsey’s place of death as the Southwest plane at Los Angeles International Airport. His cause of death was recorded as deferred, meaning officials have not completed the determination and are awaiting additional investigation.

No manner of death has been listed. Authorities have not said whether the death was related to an underlying illness, an acute condition, or another factor. Until the investigation is complete, the available records do not establish a medical explanation.

Airline confirms incident but provides limited details

Southwest Airlines confirmed that a medical incident involving a customer occurred aboard Flight 958 while the aircraft traveled from Dallas to Los Angeles. The airline did not release additional information about the passenger or the emergency.

The company directed further questions to local authorities. That leaves the medical examiner and law enforcement agencies responsible for clarifying the circumstances, including the final cause and manner of death. No additional details about the flight or the passenger were publicly provided in the available records.

Fatal medical emergencies have occurred on other flights

The incident follows other reported cases in which passengers became seriously ill or died during commercial air travel. In January 2025, 53-year-old Barbara Dipoli of Kansas died aboard an Air France flight traveling from Paris to Boston. Authorities said preliminary information pointed to a medical episode during the flight.

In June 2024, 8-year-old Sydney Weston became ill and unresponsive aboard a SkyWest flight before the aircraft diverted to Peoria, Illinois. That same month, a 41-year-old American passenger died after suffering a severe medical emergency aboard a Fiji Airways flight bound for San Francisco. These cases demonstrate the varied medical situations that can arise during commercial flights, although they are separate from the investigation into Walmsey’s death.

Summary

A young passenger died after a medical emergency during a Southwest flight from Dallas to Los Angeles. Emergency efforts were made aboard the plane and at Los Angeles International Airport, but he could not be revived. The cause and manner of death remain undetermined while Los Angeles County officials conduct additional investigation.

Frequently Asked Questions

Who died aboard the Southwest flight?

Rain McMillan Walmsey, a 22-year-old passenger, died after becoming unresponsive during the flight from Dallas to Los Angeles.

What happened during the flight?

Walmsey experienced an unspecified medical emergency and became unresponsive. CPR was administered aboard the aircraft before paramedics responded at Los Angeles International Airport.

What was the official cause of death?

The Los Angeles County Medical Examiner listed the cause of death as deferred, indicating that additional investigation is required. No manner of death has been listed.

©2025 News Journos. All rights reserved.