United Airlines flight UA 4399: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:30 Asheville/Hendersonville (AVL) 09:30 Newark Liberty, New York (EWR) C
UA 4399 Non-stop Canadair CRJ 550 (CR5) 2:00 Effective from 2026-05-21
Mon-Fri,Sun 10:40 Peoria (PIA) 11:54 Chicago O'Hare (ORD) 2
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:14 Effective 2026-03-05 through 2026-03-27
Daily 10:40 Peoria (PIA) 11:52 Chicago O'Hare (ORD) 2
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:12 Effective 2026-03-29 through 2026-04-29
Tue 10:50 Chicago O'Hare (ORD) 2 13:23 Dayton (DAY)
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-01-13 through 2026-01-27
Wed 14:40 Chicago O'Hare (ORD) 2 17:12 Lexington (LEX)
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:32 Operates only on 2026-02-11
Daily 15:10 Ottawa Macdonald-Cartier (YOW) 17:00 Newark Liberty, New York (EWR) C
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:50 Valid until 2026-01-05
Daily 15:40 Chicago O'Hare (ORD) 2 17:36 Memphis (MEM)
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:56 Effective 2026-03-05 through 2026-03-28
Daily 15:40 Chicago O'Hare (ORD) 2 17:40 Memphis (MEM)
UA 4399 Non-stop Canadair CRJ 550 (CR5) 2:00 Effective 2026-03-29 through 2026-04-29
Daily 15:45 Chicago O'Hare (ORD) 2 17:45 Memphis (MEM)
UA 4399 Non-stop Canadair CRJ 550 (CR5) 2:00 Effective 2026-04-30 through 2026-05-20
Sat 20:23 Newark Liberty, New York (EWR) C 21:58 Ronald Reagan Washington (DCA) 2
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:35 Operates only on 2026-02-14
Mon-Fri,Sun 21:59 Newark Liberty, New York (EWR) C 23:20 Syracuse (SYR)
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:21 Effective 2026-02-12 through 2026-02-20
Daily 21:59 Newark Liberty, New York (EWR) C 23:20 Syracuse (SYR)
UA 4399 Non-stop Canadair CRJ 550 (CR5) 1:21 Effective 2026-02-21 through 2026-03-04
Non-Direct Flights:
Mon-Fri,Sun 10:40 Peoria (PIA) 17:36 Memphis (MEM)
UA 4399 1-stop Canadair CRJ 550 (CR5) 6:56 Effective 2026-03-05 through 2026-03-27
Daily 10:40 Peoria (PIA) 17:40 Memphis (MEM)
UA 4399 1-stop Canadair CRJ 550 (CR5) 7:00 Effective 2026-03-29 through 2026-04-29
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4399: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4399
07:30
Asheville/Hendersonville (AVL)

09:30
Newark Liberty, New York (EWR) C
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:00, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
10:40
Peoria (PIA)

11:54
Chicago O'Hare (ORD) 2
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:14, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
10:40
Peoria (PIA)

11:52
Chicago O'Hare (ORD) 2
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:12, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
10:50
Chicago O'Hare (ORD) 2

13:23
Dayton (DAY)
Effective 2026-01-13 through 2026-01-27
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
14:40
Chicago O'Hare (ORD) 2

17:12
Lexington (LEX)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
15:10
Ottawa Macdonald-Cartier (YOW)

17:00
Newark Liberty, New York (EWR) C
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
15:40
Chicago O'Hare (ORD) 2

17:36
Memphis (MEM)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:56, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
15:40
Chicago O'Hare (ORD) 2

17:40
Memphis (MEM)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:00, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
15:45
Chicago O'Hare (ORD) 2

17:45
Memphis (MEM)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:00, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
20:23
Newark Liberty, New York (EWR) C

21:58
Ronald Reagan Washington (DCA) 2
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
21:59
Newark Liberty, New York (EWR) C

23:20
Syracuse (SYR)
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:21, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4399
21:59
Newark Liberty, New York (EWR) C

23:20
Syracuse (SYR)
Effective 2026-02-21 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Canadair CRJ 550 (CR5)
Non-Direct Flights:
United Airlines UA4399
10:40
Peoria (PIA)

17:36
Memphis (MEM)
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:56, 1-stop
Canadair CRJ 550 (CR5)
Non-Direct Flights:
United Airlines UA4399
10:40
Peoria (PIA)

17:40
Memphis (MEM)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:00, 1-stop
Canadair CRJ 550 (CR5)
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This flight number is listed as serving the following routes:
  • Asheville/Hendersonville (AVL) - Newark Liberty, New York (EWR)
  • Chicago O'Hare (ORD) - Dayton (DAY)
  • Chicago O'Hare (ORD) - Lexington (LEX)
  • Chicago O'Hare (ORD) - Memphis (MEM)
  • Newark Liberty, New York (EWR) - Ronald Reagan Washington (DCA)
  • Newark Liberty, New York (EWR) - Syracuse (SYR)
  • Ottawa Macdonald-Cartier (YOW) - Newark Liberty, New York (EWR)
  • Peoria (PIA) - Chicago O'Hare (ORD)
  • Peoria (PIA) - Memphis (MEM)
All United Airlines flights
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