Japan Airlines JL6840 Flight Status
Based on Trip.com’s real-time data, the JL6840 flight operated by Japan Airlines on Sep 22, 2026 is scheduled to fly from London (LHR) to Helsinki (HEL). The flight is expected to depart at 10:20 (local time in London, UTC+1) and land at 14:39 (local time in Helsinki, UTC+3) .
Mon, Sep 21
Tue, Sep 22
Wed, Sep 23
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Arrived
The flight has arrived 4m early
2h 55m
Check-in Counter
C
Boarding Gate
27
Arrival Gate
46
Baggage
3
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Scheduled
Your flight will depart on time.
2h 55m
Check-in Counter
C
Boarding Gate
--
Arrival Gate
45A
Baggage
7
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Scheduled
Your flight will depart on time.
2h 55m
Check-in Counter
C
Boarding Gate
--
Arrival Gate
--
Baggage
4
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Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from London to Helsinki or track other flights with our flight status tracker.
JL6840 Aircraft Details
According to Trip.com real-time data, the JL6840 flight flying from London to Helsinki on 9/22/2026 is operated by the aircraft model Airbus A350 XWB. This aircraft has been in service for 6y, 7m. The aircraft is equipped with 321 seats.
Airbus A350 XWB
Punctuality (Departure)
53%
Punctuality (Arrival)
97%
Early on average
4 minutes
Age
6y, 7m
Seats
321
Distance
--
Economy
Premium Economy
Business
Onboard Amenities
None
Seatback entertainment system
Wi-Fi (additional charge)
USB port
Seating Plan
79 cm
Legroom
46 cm
Seat width
100°
Reclining Angle
3-3-3
Seat layout example
Onboard Amenities
Meal included
On-demand entertainment
Wi-Fi is available
USB port
Seating Plan
--
Legroom
46 cm
Seat width
135°
Reclining Angle
--
Seat layout example
Onboard Amenities
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
--
Legroom
53 cm
Seat width better than on 25% of flights
180°
Reclining Angle Fully reclinable
1-2-1
Seat layout example
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Flight History for JL6840
Trip.com historical records show that the last JL6840 flight departed on Mon, Sep 21 from LHR at approximately 10:18. This flight is expected to arrrive in HEL at 15:11.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Sep 17 | London (LHR) | Helsinki (HEL) | 359 | 10:34 | 14:56 | Arrived |
| Fri, Sep 18 | London (LHR) | Helsinki (HEL) | 359 | 11:15 | 15:35 | Arrived |
| Sat, Sep 19 | London (LHR) | Helsinki (HEL) | 359 | 10:55 | 15:14 | Arrived |
| Sun, Sep 20 | London (LHR) | Helsinki (HEL) | 359 | 10:38 | 14:51 | Arrived |
| Mon, Sep 21 | London (LHR) | Helsinki (HEL) | 359 | 10:18 | 15:11 | Arrived |
| Tue, Sep 22 | London (LHR) | Helsinki (HEL) | 359 | 10:20 | 14:39 | Scheduled |
| Wed, Sep 23 | London (LHR) | Helsinki (HEL) | 359 | 10:20 | 15:15 | Scheduled |
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JL6840 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of JL6840 is 53% (Late on average 29 minutes), and the on-time arrival rate is 97% (Early on average 4 minutes).
On-Time Departures
Punctuality
53%
Late on average 29 minutes
Early
3%
On time
50%
30 mins late
43%
60 mins late
0%
90 mins late
3%
Cancelled
0%
On-Time Arrivals
Punctuality
97%
Early on average 4 minutes
Early
77%
On time
20%
30 mins late
3%
60 mins late
0%
90 mins late
0%
Cancelled
0%
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Frequently Asked Questions
What is the current status of flight jl6840?
Flight jl6840 has not departed yet and is currently on schedule. Scheduled departure 10:20, arrival 15:15 (updated Sep 22, 2026).Is flight jl6840 on time today?
Flight jl6840 has not departed yet and is currently on schedule. Scheduled departure is 10:20, with arrival at 15:15. Recheck gate and timing before you head to the airport.Has flight jl6840 departed yet? What is the departure time?
Flight jl6840 is scheduled to depart at 10:20. The latest actual or estimated departure time is 10:20, and the current status is Scheduled (updated Sep 22, 2026).When is flight jl6840 scheduled to arrive?
Flight jl6840 is scheduled to arrive at 15:15. The latest estimated or actual arrival time is 14:39. Status is Scheduled as of Sep 22, 2026.What route does flight jl6840 fly?
Flight jl6840 is operated by Japan Airlines from London (LHR) to Helsinki (HEL). Typical flight time is about 2 hours55 minutes; operating days may include Tuesday.How can I check real-time status for flight jl6840?
Track flight jl6840 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight jl6840 is delayed or canceled, what should I do?
If jl6840 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 22, 2026). Contact Japan Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight jl6840 departed from London?
Flight jl6840 has not departed from London (LHR) yet and is currently on schedule for 10:20.What is the seat configuration for flight jl6840?
Flight jl6840 usually flies a Airbus A350 XWB with seat layout 3-3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Destination Info: Helsinki Weather & Time
Mostly clear
|
9°C - 16°C
Expected weather conditions upon arrival
2 hour time difference
Time on arrival: London 12:39| Helsinki 14:39
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