| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 18 | STL | ORD | 07:41 | 08:31 |
Landed
|
Track > |
| Jul 17 | STL | ORD | 07:41 | 08:34 |
Landed
|
Track > |
| Jul 16 | STL | ORD | 07:30 | 08:18 |
Landed
|
Track > |
| Jul 15 | STL | ORD | 07:24 | 08:16 |
Landed
|
Track > |
| Jul 13 | STL | ORD | 07:33 | 08:24 |
Landed
|
Track > |
| Jul 12 | STL | ORD | 07:34 | 08:19 |
Landed
|
Track > |
| Jul 11 | STL | ORD | 07:58 | 08:49 |
Landed
|
Track > |
| Jul 10 | STL | ORD | 07:27 | 08:14 |
Landed
|
Track > |
| Jul 09 | STL | ORD | 07:29 | 08:21 |
Landed
|
Track > |
| Jul 08 | STL | ORD | 07:37 | 08:30 |
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 50 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 498 km/h / 309 mph.
How many UA4423 flights are operated per week?
5 flights per week. The flight UA4423 is operated on Monday, Wednesday, Thursday, Friday and Saturday.
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 Saturday, July 18th, 2026 with the flight status being Landed on 08:31.
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.
Flight UA4423 is code-shared by 2 airlines using the flight numbers AC4913, NZ2894
Other flights departing from St. Louis STL: DL4939, WN1985, UA3236, AA712
Other flights arriving at Chicago ORD: AA1064, AA2324, UA4803, AA4974
All flights connecting St. Louis STL to Chicago ORD.
