How long is the DL7840 flight?

The timetable allows 15 h 35 min. Boston to Tokyo is 10,760 km (6,686 mi).

What other flight numbers does DL7840 have?

Also listed as DAL7840 (Delta Air Lines' ICAO code) and DL 7840.

DL7840 Flight Status Delta Air Lines: Boston to Tokyo (DAL7840)

Are you looking for the November 9th, 2026 DL 7840 Boston to Seoul flight? Go to our DL7840 Boston to Seoul Flight Status page >

DL 7840 Boston to Tokyo Flight Status

Not scheduled today (November 9th, 2026). Latest flight: December 24th, 2025 ; recent history is in the table below.

DL 7840 Flight Status & Schedule Delta Air Lines Boston to Tokyo

Date	From	To	Departure	Arrival	Status	Details
Dec 24	BOS	NRT	11:30	16:28	Landed	Track >

Delta Air Lines flight DL 7840 links Boston and Tokyo, 10,760 km (6,686 mi) apart. The timetable allows 15 h 35 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 24 December 2025, landed on time.

< All Boston BOS Departures All Tokyo NRT Arrivals >

About DL 7840

Route: Boston Logan International Airport BOS to Tokyo Narita International Airport NRT
Distance: 10,760 km (6,686 mi)
Scheduled flight time: 15 h 35 min

DL 7840 FAQ

How long is the DL7840 flight?: The timetable allows 15 h 35 min. Boston to Tokyo is 10,760 km (6,686 mi).
What other flight numbers does DL7840 have?: Also listed as DAL7840 (Delta Air Lines' ICAO code) and DL 7840.

DL7840 and Boston BOS to Tokyo NRT Flights

Flight DL7840 is a code-share Delta Air Lines flight of the Korean Air operated KE92.

Other flights departing from Boston BOS: G4262, DL402, KE92

Other flights arriving at Tokyo NRT: KE92, KE82, CZ8383

All flights connecting Boston BOS to Tokyo NRT.