United Airlines flight UA 4399: Multiple routes

Ad box here 1220564027 I FlightWNum Top Box
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat,Sun 09:09 Saint Louis (STL) 1 10:40 Chicago O'Hare (ORD) 2
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2025-06-28 through 2025-08-17
Daily 09:40 Saint Louis (STL) 1 11:10 Chicago O'Hare (ORD) 2
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:30 Valid until 2025-05-21
Daily 09:50 Saint Louis (STL) 1 11:21 Chicago O'Hare (ORD) 2
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2025-05-22 through 2025-06-25
Mon-Fri 10:00 Saint Louis (STL) 1 11:31 Chicago O'Hare (ORD) 2
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:31 Effective 2025-06-26 through 2025-08-18
Daily 10:30 Saint Louis (STL) 1 11:58 Chicago O'Hare (ORD) 2
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:28 Effective from 2025-10-26
Daily 10:49 Rochester (ROC) 11:55 Chicago O'Hare (ORD) 2
UA 4399 Non-stop Canadair CRJ 550 (CR5) 2:06 Effective 2025-09-25 through 2025-10-25
Daily 12:35 Saint Louis (STL) 1 14:05 Chicago O'Hare (ORD) 2
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:30 Effective 2025-08-19 through 2025-09-24
Ad flat here 1377413384 I FlightWNum Lower
Parallax here -
This flight number is listed as serving the following routes:


Feedback - Disclaimer - Privacy - new_base.html - DESKTOP - CACHE: False - LANG: en - IS_EU: False
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
United Airlines flight UA 4399: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4399
09:09
Saint Louis (STL) 1

10:40
Chicago O'Hare (ORD) 2
Effective 2025-06-28 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:31, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4399
09:40
Saint Louis (STL) 1

11:10
Chicago O'Hare (ORD) 2
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4399
09:50
Saint Louis (STL) 1

11:21
Chicago O'Hare (ORD) 2
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:31, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4399
10:00
Saint Louis (STL) 1

11:31
Chicago O'Hare (ORD) 2
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:31, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4399
10:30
Saint Louis (STL) 1

11:58
Chicago O'Hare (ORD) 2
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:28, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4399
10:49
Rochester (ROC)

11:55
Chicago O'Hare (ORD) 2
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Canadair CRJ 550 (CR5)
United Airlines UA4399
12:35
Saint Louis (STL) 1

14:05
Chicago O'Hare (ORD) 2
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Canadair CRJ 550 (CR5)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here -
This flight number is listed as serving the following routes:
  • Rochester (ROC) - Chicago O'Hare (ORD)
  • Saint Louis (STL) - Chicago O'Hare (ORD)
All United Airlines flights
Feedback     -     Disclaimer     -     Privacy - new_base.html - MOBILE

- CACHE: False - LANG: en - IS_EU: False