Japan Airlines JL6840 Flight status
According to Trip.com real-time data, the JL6840 flight operated by Japan Airlines on Oct 25, 2026, flying from London (LHR) to Helsinki (HEL), departed at 10:53 (local time in London, UTC+0) and is expected to arrive at 15:12 (local time in Helsinki, UTC+2) at Helsinki Airport (HEL).
Sat, Oct 24
Sun, Oct 25
Mon, Oct 26
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Arrived
The flight has arrived 58m early
2h 55m
Check-in Counter
C
Boarding Gate
7
Arrival Gate
54
Baggage
4
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En route
Your flight has departed London and is expected to arrive in Helsinki at 15:12.
2h 55m
Check-in Counter
C
Boarding Gate
20
Arrival Gate
48
Baggage
3
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Japan Airlines
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Scheduled
Your flight will depart on time.
2h 55m
Check-in Counter
C
Boarding Gate
--
Arrival Gate
--
Baggage
5
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Japan Airlines
Search flights Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from London to Helsinki or track other flights with our flight status tracker.
Flight.News
A wind warning is in effect for land areas in Helsinki. Strong winds from the south to southeast may bring gusts of 15 m/s from the morning onwards.
JL6840 Aircraft Details
According to Trip.com real-time data, the JL6840 flight from London to Helsinki on 10/25/2026 is operated using the aircraft model Airbus A350-900. This aircraft has been in service for 1y, 10m. The aircraft has 321 seats.
Airbus A350-900
Punctuality (Departure)
67
%
Punctuality (Arrival)
93
%
Late on average
4 minutes
Age
1y, 10m
Seats
321
Flight Distance
--
Economy
Premium Economy
Business
In-Flight Services
None
Seatback entertainment system
Wi-Fi (additional charge)
USB port
Seat Information
79 cm
Legroom
46 cm
Seat width
100°
Reclining Angle
3-3-3
Seat layout example
In-Flight Services
None
On-demand entertainment
Wi-Fi is available
USB port
Seat Information
--
Legroom
46 cm
Seat width
135°
Reclining Angle
--
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
198 cm
More legroom than on 50% of flights
53 cm
Seat width better than on 50% 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 Sat, Oct 24 from LHR at approximately 09:54. This flight is expected to arrrive in HEL at 14:17.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Oct 20 | London (LHR) | Helsinki (HEL) | 359 | 10:59 | 15:28 | Arrived |
| Wed, Oct 21 | London (LHR) | Helsinki (HEL) | 359 | 10:53 | 15:13 | Arrived |
| Thu, Oct 22 | London (LHR) | Helsinki (HEL) | 359 | 09:42 | 14:04 | Arrived |
| Fri, Oct 23 | London (LHR) | Helsinki (HEL) | 359 | 10:03 | 14:22 | Arrived |
| Sat, Oct 24 | London (LHR) | Helsinki (HEL) | 359 | 09:54 | 14:17 | Arrived |
| Sun, Oct 25 | London (LHR) | Helsinki (HEL) | 359 | 10:53 | 15:12 | En route |
| Mon, Oct 26 | 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 last 30 trips, the on-time departure rate of JL6840 is 67% (Late on average 32 minutes), and the on-time arrival rate is 93% (Late on average 4 minutes).
On-Time Departures
Punctuality
67
%
Late on average
32 minutes
Early
13
%
On time
53
%
30 mins late
27
%
60 mins late
0
%
90 mins late
7
%
Cancelled
0
%
On-Time Arrivals
Punctuality
93
%
Late on average
4 minutes
Early
70
%
On time
23
%
30 mins late
0
%
60 mins late
0
%
90 mins late
7
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight jl6840?
Flight jl6840 has departed (status: En route). Departure 10:53, estimated arrival 15:12 (updated Oct 25, 2026).Is flight jl6840 on time today?
Flight jl6840 has already departed (status: En route). It took off at 10:53 and is estimated to arrive at 15:12.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 10:53, and the current status is En route (updated Oct 25, 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 15:12. Status is En route as of Oct 25, 2026.What is the gate information for flight jl6840?
For flight jl6840, the departure terminal is T3 and the boarding gate is 20. Gate assignments can change at short notice—confirm on airport screens before heading to security.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 hours 55 minutes; operating days may include Sunday.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 (En route, updated Oct 25, 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 departed from London (LHR) at 10:53 (status: En route).What is the seat configuration for flight jl6840?
Flight jl6840 usually flies a Airbus A350-900 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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Arrival Info: Helsinki Weather & Current Time
Cloudy
|
10°C - 12°C
Weather forecast for your arrival day
2 hour time difference
Time on arrival: London 13:12
|
Helsinki 15:12
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