| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 11 | STL | ORD | 18:49 | 19:43 |
Landed
|
Track > |
| Feb 10 | STL | ORD | 18:51 | 19:43 |
Landed
|
Track > |
| Feb 09 | STL | ORD | 18:46 | 19:39 |
Landed
|
Track > |
| Feb 08 | STL | ORD | 18:41 | 19:29 |
Landed
|
Track > |
| Feb 06 | STL | ORD | 19:10 | 20:04 |
Landed
|
Track > |
| Feb 05 | STL | ORD | 19:01 | 20:39 |
Landed Late
|
Track > |
| Feb 04 | STL | ORD | 20:03 | 20:52 |
Landed Late
|
Track > |
| Feb 03 | STL | ORD | 19:23 | 20:13 |
Landed
|
Track > |
| Feb 02 | STL | ORD | 20:01 | 20:52 |
Landed Late
|
Track > |
| Feb 01 | STL | ORD | 18:43 | 19:48 |
Landed
|
Track > |
United Airlines Flight UA4559 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 UA4559 flight from St. Louis to Chicago?
The average flight time from St. Louis to Chicago is 57 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 452 km/h / 281 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4559 St. Louis to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA4559 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4559 arriving at?
Flight UA4559 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA4559 flight?
The latest flight took off on Thursday, February 12th, 2026 with the flight status being Landed on 19:43.
How else can the flight UA4559 be referenced as?
This United Airlines flight can also be referenced as UAL4559, UA 4559, UAL 4559.
How often is flight UA4559 delayed?
On average, 30% of all UA4559 flights are delayed. The average delay is 24 minutes.
Can I get compensation for my delayed or cancelled UA4559 flight or baggage issues?
If your UA4559 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 UA4559 Flight Tracker above for more details.
Flight UA4559 is code-shared by 3 airlines using the flight numbers AC4937, LH8793, NZ2902
Other flights departing from St. Louis STL: AA3054, WN1152, AA3730, WN1752
Other flights arriving at Chicago ORD: UA520, UA1383, AA4957, AA6360
All flights connecting St. Louis STL to Chicago ORD.