| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | ORD | STL | 22:52 | 23:34 |
Landed Late
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Track > |
| May 19 | ORD | STL | 23:40 | 22:56 |
En-Route
|
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| May 18 | ORD | STL | 00:13 | 22:45 |
Unknown
|
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| May 17 | ORD | STL | 22:42 | 23:27 |
Delayed
|
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| May 16 | ORD | STL | 21:32 | 22:17 |
Landed
|
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| May 15 | ORD | STL | 21:59 | 22:48 |
Landed
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| May 14 | ORD | STL | 21:58 | 22:44 |
Landed
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| May 13 | ORD | STL | 21:32 | 22:17 |
Landed
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Track > |
| May 12 | ORD | STL | 22:16 | 23:00 |
Landed
|
Track > |
| May 11 | ORD | STL | 21:42 | 22:24 |
Landed
|
Track > |
United Airlines Flight UA4557 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 UA4557 flight from Chicago to St. Louis?
The average flight time from Chicago to St. Louis is 44 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 505 km/h / 314 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4557 Chicago to St. Louis?
The Airportia On-Time Performance Rating for United Airlines Flight UA4557 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4557 arriving at?
Flight UA4557 arrives at St. Louis Lambert International Airport (STL) Terminal 1.
When was the latest UA4557 flight?
The latest flight took off on Thursday, May 21st, 2026 with the flight status being Landed on 23:34.
How else can the flight UA4557 be referenced as?
This United Airlines flight can also be referenced as UAL4557, UA 4557, UAL 4557.
How often is flight UA4557 delayed?
On average, 30% of all UA4557 flights are delayed. The average delay is 30 minutes.
Can I get compensation for my delayed or cancelled UA4557 flight or baggage issues?
If your UA4557 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 UA4557 Flight Tracker above for more details.
Flight UA4557 is code-shared by 3 airlines using the flight numbers AC4914, LH7826, NZ2895
Other flights departing from Chicago ORD: UA403, UA661, UA4544, UA5274
Other flights arriving at St. Louis STL: WN2103, UA6129, AA2126, WN1845
All flights connecting Chicago ORD to St. Louis STL.