| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 18 | ATL | SJO | 11:12 | 12:54 |
Landed
|
Track > |
| Jul 11 | ATL | SJO | 11:06 | 12:36 |
Landed
|
Track > |
| Jul 04 | ATL | SJO | 11:46 | 13:21 |
Landed
|
Track > |
| Jun 27 | ATL | SJO | 11:12 | 12:36 |
Landed
|
Track > |
| Jun 20 | ATL | SJO | 11:14 | 12:51 |
Landed
|
Track > |
| Jun 13 | ATL | SJO | 11:20 | 12:40 |
Landed
|
Track > |
| Jun 06 | ATL | SJO | 11:33 | 12:52 |
Landed
|
Track > |
| May 30 | ATL | SJO | 11:48 | 13:19 |
Landed
|
Track > |
| May 23 | ATL | SJO | 11:47 | 13:19 |
Landed
|
Track > |
| May 16 | ATL | SJO | 11:16 | 12:34 |
Landed
|
Track > |
KLM Flight KL6400 connects Atlanta, United States to San Jose, Costa Rica, taking off from Atlanta Hartsfield-Jackson International Airport ATL and landing at San Jose Juan Santamaria International Airport SJO.
How long is the KL6400 flight from Atlanta to San Jose?
The average flight time from Atlanta to San Jose is 3 hours and 28 minutes. The flight distance is 2629 km / 1634 miles and the average flight speed is 756 km/h / 470 mph.
How many KL6400 flights are operated per week?
1 flight per week. The flight KL6400 is operated on Saturday.
What is the On-Time Performance (OTP) of KLM Flight KL6400 Atlanta to San Jose?
The Airportia On-Time Performance Rating for KLM Flight KL6400 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KL6400 arriving at?
Flight KL6400 arrives at San Jose Juan Santamaria International Airport (SJO) Terminal M.
When was the latest KL6400 flight?
The latest flight took off on Saturday, July 18th, 2026 with the flight status being Landed on 12:54.
How else can the flight KL6400 be referenced as?
This KLM flight can also be referenced as KLM6400, KL 6400, KLM 6400.
How often is flight KL6400 delayed?
On average, 30% of all KL6400 flights are delayed. The average delay is 7 minutes.
Can I get compensation for my delayed or cancelled KL6400 flight or baggage issues?
If your KL6400 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 KL6400 Flight Tracker above for more details.
Other flights departing from Atlanta ATL: DL1332, DL1931, DL3060, DL4064
Other flights arriving at San Jose SJO: DL1931, GW525, RZ1037, GW923
All flights connecting Atlanta ATL to San Jose SJO.