| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 22 | ORD | STL | 14:15 | 22:35 |
Unknown
|
Track > |
| Oct 21 | ORD | STL | 21:50 | 22:35 |
Landed
|
Track > |
| Oct 18 | ORD | STL | 23:16 | 00:00 |
Delayed
|
Track > |
| Oct 15 | ORD | STL | 21:35 | 22:22 |
Landed
|
Track > |
| Oct 14 | ORD | STL | 21:21 | 22:07 |
Landed
|
Track > |
| Oct 11 | ORD | STL | 21:18 | 22:02 |
Landed
|
Track > |
| Oct 08 | ORD | STL | 22:05 | 22:49 |
Landed
|
Track > |
| Oct 07 | ORD | STL | 21:28 | 22:11 |
Landed
|
Track > |
| Oct 04 | ORD | STL | 21:30 | 22:15 |
Landed
|
Track > |
| Oct 01 | ORD | STL | 21:54 | 22:41 |
Landed
|
Track > |
United Airlines Flight UA4427 connects Chicago, United States to St. Louis, United States, taking off from Chicago O'Hare International Airport ORD and landing at St. Louis Lambert International Airport STL.
How long is the UA4427 flight from Chicago to St. Louis?
The average flight time from Chicago to St. Louis is 45 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 526 km/h / 327 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4427 Chicago to St. Louis?
The Airportia On-Time Performance Rating for United Airlines Flight UA4427 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4427 arriving at?
Flight UA4427 arrives at St. Louis Lambert International Airport (STL) Terminal 1.
When was the latest UA4427 flight?
The latest flight took off on Thursday, October 23rd, 2025 with the flight status being Unknown on 22:35.
How else can the flight UA4427 be referenced as?
This United Airlines flight can also be referenced as UAL4427, UA 4427, UAL 4427.
How often is flight UA4427 delayed?
On average, 30% of all UA4427 flights are delayed. The average delay is 35 minutes.
Can I get compensation for my delayed or cancelled UA4427 flight or baggage issues?
If your UA4427 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 UA4427 Flight Tracker above for more details.
Flight UA4427 is code-shared by 4 airlines using the flight numbers AC4930, NZ2901, AV2344, CM2679
Other flights departing from Chicago ORD: UA1032, UA5584, OO5087, AA4986
Other flights arriving at St. Louis STL: UA1293, WN321, WN4280, AA4524
All flights connecting Chicago ORD to St. Louis STL.
