| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 04 | SEA | ONT | 14:30 | 17:08 |
Delayed
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| Jun 03 | SEA | ONT | 14:48 | 16:57 |
Landed
|
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| Jun 02 | SEA | ONT | 14:46 | 16:52 |
Landed
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| Jun 01 | SEA | ONT | 14:42 | 16:50 |
Landed
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| May 31 | SEA | ONT | 14:43 | 16:56 |
Landed
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| May 30 | SEA | ONT | 14:52 | 17:09 |
Landed
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| May 29 | SEA | ONT | 14:55 | 17:00 |
Landed
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| May 28 | SEA | ONT | 14:39 | 16:56 |
Landed
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| May 27 | SEA | ONT | 14:54 | 17:08 |
Landed
|
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| May 26 | SEA | ONT | 14:55 | 17:10 |
Landed
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KLM Flight KL6270 connects Seattle, United States to Ontario, United States, taking off from Seattle Tacoma International Airport SEA and landing at Ontario International Airport ONT.
How long is the KL6270 flight from Seattle to Ontario?
The average flight time from Seattle to Ontario is 2 hours and 11 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 691 km/h / 430 mph.
How many KL6270 flights are operated per week?
7 flights per week. The flight KL6270 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of KLM Flight KL6270 Seattle to Ontario?
The Airportia On-Time Performance Rating for KLM Flight KL6270 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KL6270 arriving at?
Flight KL6270 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest KL6270 flight?
The latest flight took off on Friday, June 5th, 2026 with the flight status being Scheduled on 17:08.
How else can the flight KL6270 be referenced as?
This KLM flight can also be referenced as KLM6270, KL 6270, KLM 6270.
How often is flight KL6270 delayed?
On average, 10% of all KL6270 flights are delayed. The average delay is 4 minutes.
Can I get compensation for my delayed or cancelled KL6270 flight or baggage issues?
If your KL6270 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 KL6270 Flight Tracker above for more details.
Other flights departing from Seattle SEA: DL340, DL4031, DL3688, WN3617
Other flights arriving at Ontario ONT: UA1656, DL4031, AS2336, WN381
All flights connecting Seattle SEA to Ontario ONT.