| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 13 | STL | ORD | 06:29 | 07:33 |
En-Route
|
Track > |
| Aug 08 | STL | ORD | 08:02 | 09:00 |
En-Route
|
Track > |
| Aug 06 | STL | ORD | 07:20 | 09:00 |
Scheduled
|
Track > |
| Aug 01 | STL | ORD | 08:29 | 09:00 |
En-Route
|
Track > |
| Jul 30 | STL | ORD | 07:26 | 08:18 |
Landed
|
Track > |
| Jul 29 | STL | ORD | 07:36 | 08:23 |
Landed
|
Track > |
| Jul 27 | STL | ORD | 07:20 | 08:15 |
Landed
|
Track > |
| Jul 26 | STL | ORD | 07:38 | 08:35 |
Landed
|
Track > |
| Jul 25 | STL | ORD | 07:44 | 08:43 |
Landed
|
Track > |
| Jul 24 | STL | ORD | 07:29 | 08:20 |
Landed
|
Track > |
United Airlines Flight UA4423 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 UA4423 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 383 km/h / 238 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4423 St. Louis to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA4423 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4423 arriving at?
Flight UA4423 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.
When was the latest UA4423 flight?
The latest flight took off on Thursday, August 13th, 2026 with the flight status being En-Route on 07:33.
How else can the flight UA4423 be referenced as?
This United Airlines flight can also be referenced as UAL4423, UA 4423, UAL 4423.
How often is flight UA4423 delayed?
On average, 0% of all UA4423 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA4423 flight or baggage issues?
If your UA4423 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 UA4423 Flight Tracker above for more details.
Other flights departing from St. Louis STL: 9E4981, WN4535, WN3838, G74608
Other flights arriving at Chicago ORD: OO5441, AA4088, AA6423, UA3869
All flights connecting St. Louis STL to Chicago ORD.
