U.S. airlines Delta, American and United have now decided to ban monorovers from both carry-on and check in luggage.
The announcements today mean that three of America’s four largest carriers have now outlawed the boards from being taken on to their aircraft just in time for the holidays.
The fourth airline, Southwest, still allows customers to pack the boards on in carry-on, but is thought to be considering a ban after a spokesman said the company is ‘discussing the topic further’.
United said its ban will take effect immediately, while Delta’s ban takes effect Friday, and American’s on Saturday.
Smaller carriers such as Alaska, Virgin America, Hawaiian, Spirit and Allegiant have already barred customers from taking hoverboards on to their planes.
The news will likely come as a blow to thousands of festive flyers who have the item as a gift and were hoping to take it with them to see relatives.
While the exact cause of the fires is not known, users have reported that the boards started burning while on charge or being used.
That suggests the fault lies with their lithium-ion batteries, which can overheat and cause fires.
The U.S. Consumer Product Safety Commission is investigating at least 10 reports of hoverboard fires, some of which were captured on video.
Read More: Delta, American and United ban hoverboards as a fire danger
