| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 18 | ORD | CHA | 14:26 | 16:40 |
Landed
|
Track > |
| Aug 17 | ORD | CHA | 16:34 | 18:45 |
Delayed
|
Track > |
| Aug 16 | ORD | CHA | 14:23 | 16:32 |
Landed
|
Track > |
| Aug 15 | ORD | CHA | 16:05 | 18:17 |
Delayed
|
Track > |
| Aug 14 | ORD | CHA | 15:07 | 17:17 |
Delayed
|
Track > |
| Aug 13 | ORD | CHA | 14:25 | 16:40 |
Landed
|
Track > |
| Aug 12 | ORD | CHA | 16:45 | 16:55 |
Unknown
|
Track > |
| Aug 11 | ORD | CHA | 14:38 | 16:48 |
Landed
|
Track > |
| Aug 10 | ORD | CHA | 16:45 | 16:55 |
En-Route
|
Track > |
| Aug 09 | ORD | CHA | 14:32 | 16:44 |
Landed
|
Track > |
United Airlines Flight UA4390 connects Chicago, United States to Chattanooga, United States, taking off from Chicago O'Hare International Airport ORD and landing at Chattanooga Metropolitan Airport CHA.
How long is the UA4390 flight from Chicago to Chattanooga?
The average flight time from Chicago to Chattanooga is 1 hour and 11 minutes. The flight distance is 807 km / 501 miles and the average flight speed is 632 km/h / 393 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4390 Chicago to Chattanooga?
The Airportia On-Time Performance Rating for United Airlines Flight UA4390 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4390 arriving at?
Flight UA4390 arrives at Chattanooga Metropolitan Airport (CHA) Terminal E.
When was the latest UA4390 flight?
The latest flight took off on Monday, August 18th, 2025 with the flight status being Landed on 16:40.
How else can the flight UA4390 be referenced as?
This United Airlines flight can also be referenced as UAL4390, UA 4390, UAL 4390.
How often is flight UA4390 delayed?
On average, 30% of all UA4390 flights are delayed. The average delay is 71 minutes.
Can I get compensation for my delayed or cancelled UA4390 flight or baggage issues?
If your UA4390 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 UA4390 Flight Tracker above for more details.
Other flights departing from Chicago ORD: UA2138, UA587, UA467, AA2394
Other flights arriving at Chattanooga CHA: AA5028, DL5126, OO4942, AA3841
All flights connecting Chicago ORD to Chattanooga CHA.
