Japan Airlines JL6840 Flight Status
According to Trip.com latest record on status for Japan Airlines flight JL6840 from London to Helsinki (LHR-HEL): Flights for Mar 31, 2026 are scheduled, with the next departure slated for 10:20 from LHR and an expected arrival at 14:43 at HEL .
Mon, Mar 30
Tue, Mar 31
Wed, Apr 1
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Arrived
The flight arrived 8m early.
2h 55m
Check-in Counter
C
Boarding Gate
25
Arrival Gate
42
Baggage
4
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Scheduled
Your flight will depart on time.
2h 55m
Check-in Counter
C
Boarding Gate
--
Arrival Gate
44
Baggage
3
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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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JL6840 Aircraft Specifications
Airbus A350 XWB
On-Time Departure
67%
On-Time Arrival
87%
Avg. Delay
0 minutes
Aircraft Age
7y, 10m
Total Seats
Up to 351
Flight Distance
--
Economy
Premium Economy
Business
Cabin Amenities
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
Cabin Amenities
Meal included
On-demand entertainment
Wi-Fi is available
USB port
Seat Information
89 cm
Legroom
46 cm
Seat width
135°
Reclining Angle
--
Seat layout example
Cabin Amenities
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
--
Legroom
53 cm
Seat width better than on 33% of flights
180°
Reclining Angle Fully reclinable
1-2-1
Seat layout example
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JL6840 Flight History
Trip.com historical records show that the last JL6840 flight departed on Mon, Mar 30 from LHR at approximately 10:43. This flight is expected to arrrive in HEL at 15:07.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Mar 26 | London (LHR) | Helsinki (HEL) | 359 | 10:52 | 15:21 | Arrived |
| Fri, Mar 27 | London (LHR) | Helsinki (HEL) | 359 | 10:58 | 16:23 | Arrived |
| Sat, Mar 28 | London (LHR) | Helsinki (HEL) | 359 | 11:07 | 16:21 | Arrived |
| Sun, Mar 29 | London (LHR) | Helsinki (HEL) | 359 | 10:28 | 14:52 | Arrived |
| Mon, Mar 30 | London (LHR) | Helsinki (HEL) | 359 | 10:43 | 15:07 | Arrived |
| Tue, Mar 31 | London (LHR) | Helsinki (HEL) | 359 | 10:20 | 14:43 | Scheduled |
| Wed, Apr 1 | 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 28 minutes), and the on-time arrival rate is 87% (Early on average 0 minutes).
On-Time Departures
Punctuality
67%
Late on average 28 minutes
Early
0%
On time
67%
30 mins late
27%
60 mins late
7%
90 mins late
0%
Cancelled
0%
On-Time Arrivals
Punctuality
87%
Early on average 0 minutes
Early
67%
On time
20%
30 mins late
7%
60 mins late
7%
90 mins late
0%
Cancelled
0%
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Low-Cost Return Flights to London
- Tue, Apr 28Helsinki (HEL)London (LON)
RyanairOne way47% off€38€20 - Tue, May 26Helsinki (HEL)London (LON) RyanairOne way37% off€38€24
- Sun, May 3Helsinki (HEL)London (LON) RyanairOne way34% off€38€25
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- Sat, May 2Helsinki (HEL)London (LON) RyanairOne way26% off€38€28
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When You Land: Helsinki Weather & Time Zone
Mostly cloudy
|
-°C - 6°C
Weather forecast for your arrival day
2 hour time difference
Time on arrival: London 13:15| Helsinki 15:15
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