| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | STL | ORD | 17:09 | 17:51 |
Landed
|
Track > |
| May 19 | STL | ORD | 17:55 | 19:02 |
Landed Late
|
Track > |
| May 18 | STL | ORD | 16:30 | 18:10 |
Cancelled
|
Track > |
| Claim > | ||||||
| May 17 | STL | ORD | 16:40 | 17:35 |
Landed
|
Track > |
| May 16 | STL | ORD | 16:32 | 17:24 |
Landed
|
Track > |
| May 15 | STL | ORD | 18:49 | 18:10 |
Unknown
|
Track > |
| May 14 | STL | ORD | 16:48 | 17:37 |
Landed
|
Track > |
| May 13 | STL | ORD | 16:44 | 17:34 |
Landed
|
Track > |
| May 12 | STL | ORD | 17:55 | 18:54 |
Landed Late
|
Track > |
| May 11 | STL | ORD | 17:50 | 18:41 |
Landed Late
|
Track > |
American Airlines Flight AA6399 connects St. Louis, United States to Chicago, United States, taking off from St. Louis Lambert International Airport STL and landing at Chicago O'Hare International Airport ORD.
How long is the AA6399 flight from St. Louis to Chicago?
The average flight time from St. Louis to Chicago is 53 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 431 km/h / 268 mph.
What is the On-Time Performance (OTP) of American Airlines Flight AA6399 St. Louis to Chicago?
The Airportia On-Time Performance Rating for American Airlines Flight AA6399 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AA6399 arriving at?
Flight AA6399 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.
When was the latest AA6399 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Landed on 17:51.
How else can the flight AA6399 be referenced as?
This American Airlines flight can also be referenced as AAL6399, AA 6399, AAL 6399.
How often is flight AA6399 delayed?
On average, 30% of all AA6399 flights are delayed. The average delay is 42 minutes.
Can I get compensation for my delayed or cancelled AA6399 flight or baggage issues?
If your AA6399 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 AA6399 Flight Tracker above for more details.
Flight AA6399 is code-shared by 4 airlines using the flight numbers AS6583, BA4871, EI7204, QR8778
Other flights departing from St. Louis STL: WN4468, WN61, UA6219, AA9681
Other flights arriving at Chicago ORD: AA2390, AA4161, AA3952, AA3540
All flights connecting St. Louis STL to Chicago ORD.