United Airlines flight UA 2321: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Denver (DEN) 11:28 Orlando (MCO) B
UA 2321 Non-stop Boeing 737-900 (739) 3:28 Effective 2026-05-21 through 2026-08-17
Mon,Thu,Fri,Sun 08:34 Newark Liberty, New York (EWR) C 12:03 Salt Lake City (SLC)
UA 2321 Non-stop Boeing 737-900 (739) 5:29 Effective 2026-02-13 through 2026-03-02
Thu 08:39 Newark Liberty, New York (EWR) C 12:08 Salt Lake City (SLC)
UA 2321 Non-stop Boeing 737-900 (739) 5:29 Operates only on 2026-02-12
Sat 08:45 Newark Liberty, New York (EWR) C 12:14 Salt Lake City (SLC)
UA 2321 Non-stop Boeing 737-700 (73G) 5:29 Effective 2026-02-14 through 2026-02-28
Tue,Wed 09:00 Newark Liberty, New York (EWR) C 12:29 Salt Lake City (SLC)
UA 2321 Non-stop Boeing 737-900 (739) 5:29 Effective 2026-02-17 through 2026-03-04
Daily 10:47 Portland (PDX) 16:48 Chicago O'Hare (ORD) 1
UA 2321 Non-stop Boeing 737-800 (738) 4:01 Effective 2026-01-07 through 2026-02-11
Tue 10:51 Portland (PDX) 16:52 Chicago O'Hare (ORD) 1
UA 2321 Non-stop Boeing 737 MAX 9 (7M9) 4:01 Operates only on 2026-01-06
Sat 14:39 Orlando (MCO) B 17:29 Newark Liberty, New York (EWR) C
UA 2321 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Operates only on 2026-03-07
Thu 14:40 Orlando (MCO) B 17:30 Newark Liberty, New York (EWR) C
UA 2321 Non-stop Boeing 737 MAX 9 (7M9) 2:50 Operates only on 2026-03-05
Mon-Fri,Sun 14:40 Orlando (MCO) B 17:30 Newark Liberty, New York (EWR) C
UA 2321 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-03-06 through 2026-03-13
Daily 14:40 Orlando (MCO) B 17:30 Newark Liberty, New York (EWR) C
UA 2321 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-03-14 through 2026-03-28
Daily 14:57 Orlando (MCO) B 17:47 Newark Liberty, New York (EWR) C
UA 2321 Non-stop Boeing 737-900 (739) 2:50 Effective 2026-03-29 through 2026-04-29
Sat 15:07 Orlando (MCO) B 17:49 Newark Liberty, New York (EWR) A
UA 2321 Non-stop Boeing 737 MAX 8 (7M8) 2:42 Valid until 2026-01-03
Mon-Fri,Sun 15:07 Orlando (MCO) B 17:49 Newark Liberty, New York (EWR) A
UA 2321 Non-stop Boeing 737-900 (739) 2:42 Valid until 2026-01-05
Daily 15:20 Orlando (MCO) B 18:04 Newark Liberty, New York (EWR) C
UA 2321 Non-stop Boeing 737-900 (739) 2:44 Effective from 2026-04-30
Thu-Sun 20:22 Newark Liberty, New York (EWR) C 23:44 Salt Lake City (SLC)
UA 2321 Non-stop Boeing 737 MAX 9 (7M9) 5:22 Effective 2026-03-05 through 2026-03-28
Daily 20:26 Newark Liberty, New York (EWR) C 23:49 Salt Lake City (SLC)
UA 2321 Non-stop Boeing 737 MAX 8 (7M8) 5:23 Effective 2026-03-29 through 2026-04-29
Non-Direct Flights:
Daily 06:00 Denver (DEN) 18:04 Newark Liberty, New York (EWR) C
UA 2321 1-stop Boeing 737-900 (739) 10:04 Effective 2026-05-21 through 2026-08-17
Sat 14:39 Orlando (MCO) B 23:44 Salt Lake City (SLC)
UA 2321 1-stop Boeing 737 MAX 9 (7M9) 11:05 Operates only on 2026-03-07
Thu 14:40 Orlando (MCO) B 23:44 Salt Lake City (SLC)
UA 2321 1-stop Boeing 737 MAX 9 (7M9) 11:04 Operates only on 2026-03-05
Thu,Fri,Sun 14:40 Orlando (MCO) B 23:44 Salt Lake City (SLC)
UA 2321 1-stop Boeing 737-900 (739) 11:04 Effective 2026-03-06 through 2026-03-13
Thu-Sun 14:40 Orlando (MCO) B 23:44 Salt Lake City (SLC)
UA 2321 1-stop Boeing 737-900 (739) 11:04 Effective 2026-03-14 through 2026-03-28
Daily 14:57 Orlando (MCO) B 23:49 Salt Lake City (SLC)
UA 2321 1-stop Boeing 737-900 (739) 10:52 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 2321: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2321
06:00
Denver (DEN)

11:28
Orlando (MCO) B
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:28, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2321
08:34
Newark Liberty, New York (EWR) C

12:03
Salt Lake City (SLC)
Effective 2026-02-13 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:29, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2321
08:39
Newark Liberty, New York (EWR) C

12:08
Salt Lake City (SLC)
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:29, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2321
08:45
Newark Liberty, New York (EWR) C

12:14
Salt Lake City (SLC)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:29, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA2321
09:00
Newark Liberty, New York (EWR) C

12:29
Salt Lake City (SLC)
Effective 2026-02-17 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:29, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2321
10:47
Portland (PDX)

16:48
Chicago O'Hare (ORD) 1
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:01, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2321
10:51
Portland (PDX)

16:52
Chicago O'Hare (ORD) 1
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:01, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2321
14:39
Orlando (MCO) B

17:29
Newark Liberty, New York (EWR) C
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2321
14:40
Orlando (MCO) B

17:30
Newark Liberty, New York (EWR) C
Operates only on 2026-03-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2321
14:40
Orlando (MCO) B

17:30
Newark Liberty, New York (EWR) C
Effective 2026-03-06 through 2026-03-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2321
14:40
Orlando (MCO) B

17:30
Newark Liberty, New York (EWR) C
Effective 2026-03-14 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2321
14:57
Orlando (MCO) B

17:47
Newark Liberty, New York (EWR) C
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2321
15:07
Orlando (MCO) B

17:49
Newark Liberty, New York (EWR) A
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:42, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2321
15:07
Orlando (MCO) B

17:49
Newark Liberty, New York (EWR) A
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:42, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2321
15:20
Orlando (MCO) B

18:04
Newark Liberty, New York (EWR) C
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:44, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2321
20:22
Newark Liberty, New York (EWR) C

23:44
Salt Lake City (SLC)
Effective 2026-03-05 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:22, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2321
20:26
Newark Liberty, New York (EWR) C

23:49
Salt Lake City (SLC)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:23, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA2321
06:00
Denver (DEN)

18:04
Newark Liberty, New York (EWR) C
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:04, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2321
14:39
Orlando (MCO) B

23:44
Salt Lake City (SLC)
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 11:05, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA2321
14:40
Orlando (MCO) B

23:44
Salt Lake City (SLC)
Operates only on 2026-03-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 11:04, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA2321
14:40
Orlando (MCO) B

23:44
Salt Lake City (SLC)
Effective 2026-03-06 through 2026-03-13
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 11:04, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2321
14:40
Orlando (MCO) B

23:44
Salt Lake City (SLC)
Effective 2026-03-14 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 11:04, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2321
14:57
Orlando (MCO) B

23:49
Salt Lake City (SLC)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:52, 1-stop
Boeing 737-900 (739)
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Parallax here -
This flight number is listed as serving the following routes:
  • Denver (DEN) - Newark Liberty, New York (EWR)
  • Denver (DEN) - Orlando (MCO)
  • Newark Liberty, New York (EWR) - Salt Lake City (SLC)
  • Orlando (MCO) - Newark Liberty, New York (EWR)
  • Orlando (MCO) - Salt Lake City (SLC)
  • Portland (PDX) - Chicago O'Hare (ORD)
All United Airlines flights
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