UA 4428 St. Louis to Chicago Flight Status

United Airlines Flight UA4428 from St. Louis Lambert International Airport STL to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 4th, 2026.
Check the table below for UA4428's most recent flight history:

UA 4428 Flight Status & Schedule

Date Departure Arrival Status
Mar 04 14:05 14:52
Landed
Track >
Mar 03 13:33 14:20
Landed
Track >
Mar 02 13:21 14:08
Landed
Track >
Mar 01 13:58 14:47
Landed
Track >
Feb 28 15:35 16:32
Delayed
Track >

United Airlines UA 4428 St. Louis to Chicago Flight Information

United Airlines Flight UA4428 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 UA4428 flight from St. Louis to Chicago?

The average flight time from St. Louis to Chicago is 51 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 484 km/h / 301 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4428 St. Louis to Chicago?

The Airportia On-Time Performance Rating for United Airlines Flight UA4428 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4428 arriving at?

Flight UA4428 arrives at Chicago O'Hare International Airport (ORD) Terminal 2.

When was the latest UA4428 flight?

The latest flight took off on Wednesday, March 4th, 2026 with the flight status being Landed on 14:52.

How else can the flight UA4428 be referenced as?

This United Airlines flight can also be referenced as UAL4428, UA 4428, UAL 4428.

How often is flight UA4428 delayed?

On average, 40% of all UA4428 flights are delayed. The average delay is 53 minutes.

Can I get compensation for my delayed or cancelled UA4428 flight or baggage issues?

If your UA4428 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 UA4428 Flight Tracker above for more details.

UA4428 and St. Louis STL to Chicago ORD Flights

Flight UA4428 is code-shared by 5 airlines using the flight numbers AC4915, LH8923, NH7467, NZ2904, OS7736

Other flights departing from St. Louis STL: WN3766, WN2513, DL5822, WN1052

Other flights arriving at Chicago ORD: UA1504, AA3186, WN3885, AA4028

All flights connecting St. Louis STL to Chicago ORD.

UA4428 United Airlines Flight: St. Louis to Chicago Route Map

UA4428 United Airlines Flight Map: St. Louis to Chicago
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.