| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 07 | JFK | LGW | 23:00 | 10:04 |
Landed
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| Sep 06 | JFK | LGW | 23:55 | 11:11 |
Delayed
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| Sep 05 | JFK | LGW | 22:37 | 09:57 |
Landed
|
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| Sep 04 | JFK | LGW | 22:42 | 09:51 |
Landed
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| Sep 03 | JFK | LGW | 22:07 | 09:24 |
Landed
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| Sep 02 | JFK | LGW | 22:22 | 10:06 |
Landed
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| Sep 01 | JFK | LGW | 22:16 | 09:25 |
Landed
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| Aug 31 | JFK | LGW | 22:25 | 09:35 |
Landed
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| Aug 30 | JFK | LGW | 22:06 | 09:17 |
Landed
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| Aug 29 | JFK | LGW | 22:24 | 09:41 |
Landed
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KLM Flight KL6121 connects New York, United States to London, United Kingdom, taking off from New York John F. Kennedy International Airport JFK and landing at London Gatwick Airport LGW.
How long is the KL6121 flight from New York to London?
The average flight time from New York to London is 6 hours and 15 minutes. The flight distance is 5568 km / 3460 miles and the average flight speed is 890 km/h / 553 mph.
What is the On-Time Performance (OTP) of KLM Flight KL6121 New York to London?
The Airportia On-Time Performance Rating for KLM Flight KL6121 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KL6121 arriving at?
Flight KL6121 arrives at London Gatwick Airport (LGW) Terminal N.
When was the latest KL6121 flight?
The latest flight took off on Monday, September 8th, 2025 with the flight status being Landed on 10:04.
How else can the flight KL6121 be referenced as?
This KLM flight can also be referenced as KLM6121, KL 6121, KLM 6121.
How often is flight KL6121 delayed?
On average, 30% of all KL6121 flights are delayed. The average delay is 27 minutes.
Can I get compensation for my delayed or cancelled KL6121 flight or baggage issues?
If your KL6121 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our KL6121 Flight Tracker above for more details.
Other flights departing from New York JFK: B68352, DL62, B62518, DL5875
Other flights arriving at London LGW: DL62, BY4753, U26512, U26414
All flights connecting New York JFK to London LGW.
