| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 29 | STL | ORD | 08:35 | 09:18 |
Landed
|
Track > |
| Apr 27 | STL | ORD | 08:29 | 09:48 |
Landed
|
Track > |
| Apr 26 | STL | ORD | 08:34 | 09:28 |
Landed
|
Track > |
| Apr 25 | STL | ORD | 08:47 | 09:33 |
Landed
|
Track > |
| Apr 24 | STL | ORD | 08:57 | 09:47 |
Landed
|
Track > |
| Apr 23 | STL | ORD | 08:35 | 09:27 |
Landed
|
Track > |
| Apr 22 | STL | ORD | 08:48 | 09:38 |
Landed
|
Track > |
| Apr 20 | STL | ORD | 08:26 | 09:23 |
Landed
|
Track > |
| Apr 19 | STL | ORD | 09:32 | 10:27 |
Landed Late
|
Track > |
| Apr 18 | STL | ORD | 08:33 | 09:27 |
Landed
|
Track > |
United Airlines Flight UA4555 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 UA4555 flight from St. Louis to Chicago?
The average flight time from St. Louis to Chicago is 54 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 473 km/h / 294 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4555 St. Louis to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA4555 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4555 arriving at?
Flight UA4555 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA4555 flight?
The latest flight took off on Wednesday, April 29th, 2026 with the flight status being Landed on 09:18.
How else can the flight UA4555 be referenced as?
This United Airlines flight can also be referenced as UAL4555, UA 4555, UAL 4555.
How often is flight UA4555 delayed?
On average, 10% of all UA4555 flights are delayed. The average delay is 37 minutes.
Can I get compensation for my delayed or cancelled UA4555 flight or baggage issues?
If your UA4555 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 UA4555 Flight Tracker above for more details.
Flight UA4555 is code-shared by 3 airlines using the flight numbers AC4913, NH7591, NZ2894
Other flights departing from St. Louis STL: AA4236, UA1415, UA3686, K51524
Other flights arriving at Chicago ORD: UA5597, UA4414, UA3538, UA5331
All flights connecting St. Louis STL to Chicago ORD.