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UA 4389 St. Louis to Chicago Flight Status

United Airlines Flight UA4389 from St. Louis Lambert International Airport STL to Chicago O'Hare International Airport ORD is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on February 11th, 2026.
Check the table below for UA4389's most recent flight history:

UA 4389 Flight Status & Schedule

Date Departure Arrival Status
Feb 11 10:02 10:49
Landed
Track >
Feb 10 10:32 11:26
Landed
Track >
Feb 09 09:52 10:42
Landed
Track >
Feb 08 10:38 11:25
Landed
Track >
Feb 07 10:03 11:01
Landed
Track >

United Airlines UA 4389 St. Louis to Chicago Flight Information

United Airlines Flight UA4389 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 UA4389 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 469 km/h / 292 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4389 St. Louis to Chicago?

The Airportia On-Time Performance Rating for United Airlines Flight UA4389 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4389 arriving at?

Flight UA4389 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.

When was the latest UA4389 flight?

The latest flight took off on Wednesday, February 11th, 2026 with the flight status being Landed on 10:49.

How else can the flight UA4389 be referenced as?

This United Airlines flight can also be referenced as UAL4389, UA 4389, UAL 4389.

How often is flight UA4389 delayed?

On average, 0% of all UA4389 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA4389 flight or baggage issues?

If your UA4389 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 UA4389 Flight Tracker above for more details.

UA4389 and St. Louis STL to Chicago ORD Flights

Flight UA4389 is code-shared by 2 airlines using the flight numbers AC4935, NZ2900

Other flights departing from St. Louis STL: AA4759, AA1294, AA4458, WN432

Other flights arriving at Chicago ORD: UA2223, UA503, UA2605, OO5105

All flights connecting St. Louis STL to Chicago ORD.

UA4389 United Airlines Flight: St. Louis to Chicago Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.