| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 12 | ATL | ONT | 19:25 | 20:44 |
Landed
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| Apr 11 | ATL | ONT | 19:24 | 20:38 |
Landed
|
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| Apr 10 | ATL | ONT | 19:18 | 20:26 |
Landed
|
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| Apr 09 | ATL | ONT | 19:28 | 20:42 |
Landed
|
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| Apr 08 | ATL | ONT | 19:22 | 20:29 |
Landed
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| Apr 07 | ATL | ONT | 19:41 | 20:46 |
Landed
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| Apr 06 | ATL | ONT | 19:41 | 20:49 |
Landed
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| Apr 05 | ATL | ONT | 21:25 | 22:39 |
Delayed
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| Apr 04 | ATL | ONT | 19:23 | 20:48 |
Landed
|
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| Apr 03 | ATL | ONT | 19:35 | 20:56 |
Landed
|
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KLM Flight KL6720 connects Atlanta, United States to Ontario, United States, taking off from Atlanta Hartsfield-Jackson International Airport ATL and landing at Ontario International Airport ONT.
How long is the KL6720 flight from Atlanta to Ontario?
The average flight time from Atlanta to Ontario is 4 hours and 13 minutes. The flight distance is 3050 km / 1895 miles and the average flight speed is 722 km/h / 449 mph.
What is the On-Time Performance (OTP) of KLM Flight KL6720 Atlanta to Ontario?
The Airportia On-Time Performance Rating for KLM Flight KL6720 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KL6720 arriving at?
Flight KL6720 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest KL6720 flight?
The latest flight took off on Monday, April 13th, 2026 with the flight status being Landed on 20:44.
How else can the flight KL6720 be referenced as?
This KLM flight can also be referenced as KLM6720, KL 6720, KLM 6720.
How often is flight KL6720 delayed?
On average, 10% of all KL6720 flights are delayed. The average delay is 99 minutes.
Can I get compensation for my delayed or cancelled KL6720 flight or baggage issues?
If your KL6720 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 KL6720 Flight Tracker above for more details.
Other flights departing from Atlanta ATL: DL1554, DL761, WN3023, DL654
Other flights arriving at Ontario ONT: DL761, WN1902, DL4027, F91121
All flights connecting Atlanta ATL to Ontario ONT.