летит в

is flying to

→ лететь
phrase Rare #46,395
is flying to Used for someone traveling by plane to a destination. The destination follows в in the accusative case.
RU: Она летит в Москву завтра.
EN: She is flying to Moscow tomorrow.

Том летит в Бостон в понедельник.

Tom flies to Boston on Monday.

Он уже летит в Париж.

He is already flying to Paris.

— Королева (2014)

Кто-то летит в Ленинград.

Someone is flying to Leningrad.

— Ирония судьбы, или С легким паром! (1976)

Том летит в Австралию в понедельник.

Tom is flying to Australia on Monday.