Rose Powell, 9, told ITV News that she and her wingwalking partner Flame Brewer were "mostly screaming and waving" during their record-breaking stunt.
"And we did a little Superwoman pose," she added.
The youngster emphasised that the most important part of their challenge was raising awareness for a muscular dystrophy charity.
"The charity supporting it is called Duchenne Children's Trust and their aim is to end Duchenne in 10 years as it's fatal."
More top news
A new vaccine to protect young children from meningitis is to be offered across the UK from today.
Two British journalists arrested on terror charges in Turkey
As we see in the end of August, we mark the meteorological end of summer 2015.