United Airlines UA4399 Flight Status Today
United Airlines
UA
UAL
Departed On Time
Last updated: Nov 13, 2025 16:52
Database Data: Showing scheduled flight information from database. Live status may not be available.
Departure
STL
St. Louis Lambert International Airport St. Louis
12:35
Terminal:
Gate:
90 min
Arrival
ORD
Chicago O'Hare International Airport Chicago
14:05
Terminal:
Gate:
UA4399 Flight Information
- Flight Number: UA4399
- Frequency: MON-TUE-WED-THU-FRI-SAT-SUN
- Status: Departed On time
Flight History (Last 30 Flights)
Historical flight data showing past 30 operations
| Date | Route | Status | Schedule | Estimates/Actual | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2025-11-13 |
STL
ORD
|
Departed On time |
10:00
11:29
|
09:55
11:32
|
89min | Canadair (Bombardier) Regional Jet 700 and Challenger 870 |
| 2025-10-20 |
ROC
ORD
|
Scheduled On time |
10:54
12:00
|
10:54
12:00
|
126min | Canadair (Bombardier) Regional Jet 700 and Challenger 870 |
| 2025-10-18 |
ROC
ORD
|
Arrived On time |
10:54
12:00
|
10:57
11:58
|
121min | Canadair (Bombardier) Regional Jet 700 and Challenger 870 |
| 2025-10-08 |
ROC
ORD
|
Scheduled On time |
10:54
12:00
|
10:54
12:00
|
126min | Canadair (Bombardier) Regional Jet 700 and Challenger 870 |
| 2025-08-28 |
STL
ORD
|
Scheduled |
2025-08-28 12:35
2025-08-28 14:05
|
-
|
90min | - |
| 2025-08-27 |
STL
ORD
|
Scheduled |
2025-08-27 12:35
2025-08-27 14:05
|
-
|
90min | - |
| 2025-08-26 |
STL
ORD
|
Scheduled |
2025-08-26 12:35
2025-08-26 14:05
|
-
|
90min | - |
| 2025-08-25 |
STL
ORD
|
Scheduled |
2025-08-25 12:35
2025-08-25 14:05
|
-
|
90min | - |
| 2025-08-24 |
STL
ORD
|
Scheduled |
2025-08-24 12:35
2025-08-24 14:05
|
-
|
90min | - |
| 2025-08-23 |
STL
ORD
|
Scheduled |
2025-08-23 12:35
2025-08-23 14:05
|
-
|
90min | - |
| 2025-08-22 |
STL
ORD
|
Departure Estimated dep 12:35 |
2025-08-22 12:35
2025-08-22 14:05
|
2025-08-22 12:35
|
90min | Mitsubishi CRJ-550 |
| 2025-08-21 |
STL
ORD
|
Departure Estimated dep 12:35 |
2025-08-21 12:35
2025-08-21 14:05
|
2025-08-21 12:35
|
90min | Mitsubishi CRJ-550 |
| 2025-08-20 |
STL
ORD
|
Departure Estimated dep 12:35 |
2025-08-20 12:35
2025-08-20 14:05
|
2025-08-20 12:35
|
90min | Mitsubishi CRJ-550 |
| 2025-08-19 |
STL
ORD
|
Arrived Early |
2025-08-19 12:35
2025-08-19 14:05
|
2025-08-19 12:55
2025-08-19 13:45
|
50min | Mitsubishi CRJ-550 |
| 2025-08-18 |
STL
ORD
|
Arrived Early |
2025-08-18 10:00
2025-08-18 11:31
|
2025-08-18 10:13
2025-08-18 10:55
|
42min | Mitsubishi CRJ-550 |
| 2025-08-17 |
STL
ORD
|
Arrived On time |
2025-08-17 09:09
2025-08-17 10:40
|
2025-08-17 09:46
2025-08-17 10:34
|
48min | Mitsubishi CRJ-550 |
| 2025-08-16 |
STL
ORD
|
Arrived Delayed by 30 minutes |
2025-08-16 09:09
2025-08-16 10:40
|
2025-08-16 10:24
2025-08-16 11:10
|
46min | Mitsubishi CRJ-550 |
| 2025-08-15 |
STL
ORD
|
Arrived Early |
2025-08-15 10:00
2025-08-15 11:31
|
2025-08-15 10:15
2025-08-15 11:00
|
45min | Mitsubishi CRJ-550 |
| 2025-08-14 |
STL
ORD
|
Arrived Delayed by 150 minutes |
2025-08-14 10:00
2025-08-14 11:31
|
2025-08-14 13:15
2025-08-14 14:01
|
46min | Mitsubishi CRJ-550 |
| 2025-08-02 |
STL
ORD
|
Scheduled On time |
09:09
10:40
|
09:09
10:40
|
91min | Canadair (Bombardier) Regional Jet 700 and Challenger 870 |
| 2025-05-19 |
STL
ORD
|
Scheduled |
2025-05-19 09:40
2025-05-19 11:10
|
-
|
90min | - |
| 2025-05-18 |
STL
ORD
|
Scheduled |
2025-05-18 09:40
2025-05-18 11:10
|
-
|
90min | - |
| 2025-05-17 |
STL
ORD
|
Scheduled |
2025-05-17 09:40
2025-05-17 11:10
|
-
|
90min | - |
| 2025-05-16 |
STL
ORD
|
Scheduled |
2025-05-16 09:40
2025-05-16 11:10
|
-
|
90min | - |
| 2025-05-15 |
STL
ORD
|
Scheduled |
2025-05-15 09:40
2025-05-15 11:10
|
-
|
90min | - |
| 2025-05-14 |
STL
ORD
|
Scheduled |
2025-05-14 09:40
2025-05-14 11:10
|
-
|
90min | - |
| 2025-05-13 |
STL
ORD
|
Scheduled |
2025-05-13 09:40
2025-05-13 11:10
|
-
|
90min | - |
| 2025-05-12 |
STL
ORD
|
Estimated |
2025-05-12 09:40
2025-05-12 11:10
|
2025-05-12 09:40
|
90min | Mitsubishi CRJ-550 |
| 2025-05-11 |
STL
ORD
|
Estimated |
2025-05-11 09:40
2025-05-11 11:10
|
2025-05-11 09:40
|
90min | Mitsubishi CRJ-550 |
| 2025-05-10 |
STL
ORD
|
Landed |
2025-05-10 09:40
2025-05-10 11:10
|
2025-05-10 09:50
2025-05-10 10:38
|
48min | Mitsubishi CRJ-550 |
UA4399 Live Status Details
Live Updates
This flight is monitored in real-time. Status updates every 5 minutes.