| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 04 | SEA | ONT | 12:38 | 14:37 |
Landed
|
Track > |
| Jun 03 | SEA | ONT | 12:49 | 14:54 |
Landed
|
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| Jun 02 | SEA | ONT | 12:43 | 14:47 |
Landed
|
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| Jun 01 | SEA | ONT | 13:04 | 15:11 |
Landed
|
Track > |
| May 31 | SEA | ONT | 12:50 | 15:00 |
Landed
|
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| May 30 | SEA | ONT | 12:45 | 14:49 |
Landed
|
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| May 29 | SEA | ONT | 14:46 | 16:49 |
Delayed
|
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| May 28 | SEA | ONT | 12:49 | 15:00 |
Landed
|
Track > |
| May 27 | SEA | ONT | 12:48 | 14:55 |
Landed
|
Track > |
| May 26 | SEA | ONT | 12:41 | 14:44 |
Landed
|
Track > |
Japan Airlines Flight JL6388 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 JL6388 flight from Seattle to Ontario?
The average flight time from Seattle to Ontario is 2 hours and 5 minutes. The flight distance is 1540 km / 957 miles and the average flight speed is 738 km/h / 459 mph.
How many JL6388 flights are operated per week?
6 flights per week. The flight JL6388 is operated on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Japan Airlines Flight JL6388 Seattle to Ontario?
The Airportia On-Time Performance Rating for Japan Airlines Flight JL6388 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight JL6388 arriving at?
Flight JL6388 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest JL6388 flight?
The latest flight took off on Thursday, June 4th, 2026 with the flight status being Landed on 14:37.
How else can the flight JL6388 be referenced as?
This Japan Airlines flight can also be referenced as JAL6388, JL 6388, JAL 6388.
How often is flight JL6388 delayed?
On average, 20% of all JL6388 flights are delayed. The average delay is 51 minutes.
Can I get compensation for my delayed or cancelled JL6388 flight or baggage issues?
If your JL6388 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 JL6388 Flight Tracker above for more details.
Other flights departing from Seattle SEA: AS625, DL1706, AS509, AS223
Other flights arriving at Ontario ONT: WN1375, AS625, F91357, WN3807
All flights connecting Seattle SEA to Ontario ONT.
