Crew members on a Frontier Airlines flight that landed in San Antonio, Texas, Thursday afternoon reported feeling nauseous after a fume-like odor was reported on the plane.
A spokesperson for Frontier Airlines told FOX Business that flight attendants on flight 990 from Denver to San Antonio noticed the "fume-like odor" and advised the captain.
The odor was concentrated in the back of the plane and no passengers reported being affected.
When the plane landed at around 1:40 p.m., four of the crew members reported feeling nauseous, a San Antonio Fire Department spokesperson told News4SA.
A Frontier Airlines airplane taxis past a Spirit Airlines aircraft at Indianapolis International Airport in Indianapolis. (Luke Sharrett/Bloomberg via Getty Images/File / Getty Images)
The crew members were evaluated as a precaution and determined to be in stable condition.
No passengers were injured in the incident.
Frontier Airlines planes at airport gates. (Reuters/Rick Wilking/File / Reuters Photos)
The Frontier Airlines spokesperson said a maintenance team is evaluating the aircraft to determine what caused the odor.