| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | ORD | MEM | 17:45 | 19:04 |
Delayed
|
Track > |
| May 19 | ORD | MEM | 16:04 | 17:17 |
Landed
|
Track > |
| May 18 | ORD | MEM | 19:17 | 17:45 |
Unknown
|
Track > |
| May 17 | ORD | MEM | 16:02 | 17:19 |
Landed
|
Track > |
| May 16 | ORD | MEM | 15:54 | 17:11 |
Landed
|
Track > |
| May 15 | ORD | MEM | 16:21 | 17:35 |
Landed
|
Track > |
| May 14 | ORD | MEM | 16:03 | 17:13 |
Landed
|
Track > |
| May 13 | ORD | MEM | 16:04 | 17:14 |
Landed
|
Track > |
| May 12 | ORD | MEM | 16:29 | 17:41 |
Landed
|
Track > |
| May 11 | ORD | MEM | 16:17 | 17:31 |
Landed
|
Track > |
United Airlines Flight UA4399 connects Chicago, United States to Memphis, United States, taking off from Chicago O'Hare International Airport ORD and landing at Memphis International Airport MEM.
How long is the UA4399 flight from Chicago to Memphis?
The average flight time from Chicago to Memphis is 1 hour and 14 minutes. The flight distance is 792 km / 492 miles and the average flight speed is 618 km/h / 384 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4399 Chicago to Memphis?
The Airportia On-Time Performance Rating for United Airlines Flight UA4399 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4399 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being En-Route on 19:04.
How else can the flight UA4399 be referenced as?
This United Airlines flight can also be referenced as UAL4399, UA 4399, UAL 4399.
How often is flight UA4399 delayed?
On average, 10% of all UA4399 flights are delayed. The average delay is 79 minutes.
Can I get compensation for my delayed or cancelled UA4399 flight or baggage issues?
If your UA4399 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 UA4399 Flight Tracker above for more details.
Flight UA4399 is code-shared by 3 airlines using the flight numbers AC4558, LH8820, NZ2605
Other flights departing from Chicago ORD: UA2665, UA5382, AA3148, AA4151
Other flights arriving at Memphis MEM: AA5319, AA3743, AA2346, AA2349
All flights connecting Chicago ORD to Memphis MEM.
