This is the 10860th most frequent Russian word.
вылететь
"Vyletet'" means "to fly out" or "to depart (by air)."
The word 'вылететь' here refers to the action of an airplane taking off or departing.
Самолёт должен был вылететь в семь утра.
The airplane was supposed to depart at 7 AM.
The word 'вылететь' in this context describes something being unintentionally dropped or abruptly leaving one's grip.
Книга вылетела у него из рук.
The book flew out of his hands.
Here 'вылететь' implies becoming mentally disengaged or losing focus during an activity, like a conversation.