United Airlines flight UA 1323: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:30 Washington Dulles (IAD) 10:57 Las Vegas Harry Reid (LAS) 3
UA 1323 Non-stop Boeing 737 MAX 9 (7M9) 5:27 Effective 2026-01-06 through 2026-02-03
Daily 08:30 Washington Dulles (IAD) 10:57 Las Vegas Harry Reid (LAS) 3
UA 1323 Non-stop Boeing 737 MAX 9 (7M9) 5:27 Effective 2026-02-05 through 2026-02-11
Mon,Thu-Sun 08:45 Washington Dulles (IAD) 11:18 Las Vegas Harry Reid (LAS) 3
UA 1323 Non-stop Boeing 737 MAX 9 (7M9) 5:33 Effective 2026-02-12 through 2026-03-05
Fri 08:45 Washington Dulles (IAD) 11:18 Las Vegas Harry Reid (LAS) 3
UA 1323 Non-stop Boeing 737-900 (739) 5:33 Operates only on 2026-03-06
Mon-Sat 08:45 Washington Dulles (IAD) 11:18 Las Vegas Harry Reid (LAS) 3
UA 1323 Non-stop Boeing 737 MAX 9 (7M9) 5:33 Effective 2026-03-07 through 2026-03-28
Sun 08:45 Washington Dulles (IAD) 11:18 Las Vegas Harry Reid (LAS) 3
UA 1323 Non-stop Boeing 737-900 (739) 5:33 Effective 2026-03-08 through 2026-03-22
Daily 08:45 Washington Dulles (IAD) 11:06 Las Vegas Harry Reid (LAS) 3
UA 1323 Non-stop Boeing 737-900 (739) 5:21 Effective 2026-03-29 through 2026-04-29
Daily 08:45 Washington Dulles (IAD) 11:06 Las Vegas Harry Reid (LAS) 3
UA 1323 Non-stop Boeing 737 MAX 9 (7M9) 5:21 Effective 2026-04-30 through 2026-05-20
Daily 08:45 Washington Dulles (IAD) 10:45 Las Vegas Harry Reid (LAS) 3
UA 1323 Non-stop Boeing 777 (777) 5:00 Effective from 2026-05-21
Daily 09:00 Washington Dulles (IAD) 11:27 Las Vegas Harry Reid (LAS) 3
UA 1323 Non-stop Boeing 737-900 (739) 5:27 Valid until 2026-01-05
Daily 13:11 Las Vegas Harry Reid (LAS) 3 16:10 Denver (DEN)
UA 1323 Non-stop Airbus A321neo (32Q) 1:59 Effective 2026-03-05 through 2026-03-28
Daily 13:15 Las Vegas Harry Reid (LAS) 3 16:20 Denver (DEN)
UA 1323 Non-stop Airbus A321neo (32Q) 2:05 Effective 2026-03-29 through 2026-04-29
Daily 13:15 Las Vegas Harry Reid (LAS) 3 16:10 Denver (DEN)
UA 1323 Non-stop Airbus A321neo (32Q) 1:55 Effective 2026-05-21 through 2026-06-24
Daily 13:40 Las Vegas Harry Reid (LAS) 3 16:45 Denver (DEN)
UA 1323 Non-stop Airbus A321neo (32Q) 2:05 Effective 2026-04-30 through 2026-05-20
Daily 13:45 Las Vegas Harry Reid (LAS) 3 16:40 Denver (DEN)
UA 1323 Non-stop Boeing 737-900 (739) 1:55 Effective from 2026-10-25
Daily 19:07 Denver (DEN) 21:11 Great Falls (GTF)
UA 1323 Non-stop Airbus A319 (319) 2:04 Effective 2026-03-05 through 2026-03-28
Non-Direct Flights:
Mon-Thu,Sat 08:45 Washington Dulles (IAD) 16:10 Denver (DEN)
UA 1323 1-stop Boeing 737 MAX 9 (7M9) 9:25 Effective 2026-03-05 through 2026-03-12
Fri 08:45 Washington Dulles (IAD) 16:10 Denver (DEN)
UA 1323 1-stop Boeing 737-900 (739) 9:25 Operates only on 2026-03-06
Sun 08:45 Washington Dulles (IAD) 16:10 Denver (DEN)
UA 1323 1-stop Boeing 737-900 (739) 9:25 Effective 2026-03-08 through 2026-03-22
Mon-Sat 08:45 Washington Dulles (IAD) 16:10 Denver (DEN)
UA 1323 1-stop Boeing 737 MAX 9 (7M9) 9:25 Effective 2026-03-13 through 2026-03-28
Daily 08:45 Washington Dulles (IAD) 16:20 Denver (DEN)
UA 1323 1-stop Boeing 737-900 (739) 9:35 Effective 2026-03-29 through 2026-04-29
Daily 08:45 Washington Dulles (IAD) 16:45 Denver (DEN)
UA 1323 1-stop Boeing 737 MAX 9 (7M9) 10:00 Effective 2026-04-30 through 2026-05-20
Daily 08:45 Washington Dulles (IAD) 16:10 Denver (DEN)
UA 1323 1-stop Boeing 777 (777) 9:25 Effective 2026-05-21 through 2026-06-24
Daily 08:45 Washington Dulles (IAD) 16:40 Denver (DEN)
UA 1323 1-stop Boeing 777 (777) 9:55 Effective from 2026-10-25
Daily 13:11 Las Vegas Harry Reid (LAS) 3 21:11 Great Falls (GTF)
UA 1323 1-stop Airbus A321neo (32Q) 7:00 Effective 2026-03-05 through 2026-03-28
Mon-Thu,Sat 08:45 Washington Dulles (IAD) 21:11 Great Falls (GTF)
UA 1323 2-stop Boeing 737 MAX 9 (7M9) 14:26 Effective 2026-03-05 through 2026-03-12
Fri 08:45 Washington Dulles (IAD) 21:11 Great Falls (GTF)
UA 1323 2-stop Boeing 737-900 (739) 14:26 Operates only on 2026-03-06
Sun 08:45 Washington Dulles (IAD) 21:11 Great Falls (GTF)
UA 1323 2-stop Boeing 737-900 (739) 14:26 Effective 2026-03-08 through 2026-03-22
Mon-Sat 08:45 Washington Dulles (IAD) 21:11 Great Falls (GTF)
UA 1323 2-stop Boeing 737 MAX 9 (7M9) 14:26 Effective 2026-03-13 through 2026-03-28
This flight number is listed as serving the following routes:


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United Airlines flight UA 1323: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1323
08:30
Washington Dulles (IAD)

10:57
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:27, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1323
08:30
Washington Dulles (IAD)

10:57
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:27, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

11:18
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-12 through 2026-03-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:33, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

11:18
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:33, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

11:18
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-07 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 5:33, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

11:18
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:33, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

11:06
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:21, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

11:06
Las Vegas Harry Reid (LAS) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:21, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

10:45
Las Vegas Harry Reid (LAS) 3
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:00, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA1323
09:00
Washington Dulles (IAD)

11:27
Las Vegas Harry Reid (LAS) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:27, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1323
13:11
Las Vegas Harry Reid (LAS) 3

16:10
Denver (DEN)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1323
13:15
Las Vegas Harry Reid (LAS) 3

16:20
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1323
13:15
Las Vegas Harry Reid (LAS) 3

16:10
Denver (DEN)
Effective 2026-05-21 through 2026-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1323
13:40
Las Vegas Harry Reid (LAS) 3

16:45
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1323
13:45
Las Vegas Harry Reid (LAS) 3

16:40
Denver (DEN)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1323
19:07
Denver (DEN)

21:11
Great Falls (GTF)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:04, non-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

16:10
Denver (DEN)
Effective 2026-03-05 through 2026-03-12
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 9:25, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

16:10
Denver (DEN)
Operates only on 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 9:25, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

16:10
Denver (DEN)
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 9:25, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

16:10
Denver (DEN)
Effective 2026-03-13 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 9:25, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

16:20
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:35, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

16:45
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:00, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

16:10
Denver (DEN)
Effective 2026-05-21 through 2026-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:25, 1-stop
Boeing 777 (777)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

16:40
Denver (DEN)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:55, 1-stop
Boeing 777 (777)
Non-Direct Flights:
United Airlines UA1323
13:11
Las Vegas Harry Reid (LAS) 3

21:11
Great Falls (GTF)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:00, 1-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

21:11
Great Falls (GTF)
Effective 2026-03-05 through 2026-03-12
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 14:26, 2-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

21:11
Great Falls (GTF)
Operates only on 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 14:26, 2-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

21:11
Great Falls (GTF)
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 14:26, 2-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1323
08:45
Washington Dulles (IAD)

21:11
Great Falls (GTF)
Effective 2026-03-13 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 14:26, 2-stop
Boeing 737 MAX 9 (7M9)
This flight number is listed as serving the following routes:
  • Denver (DEN) - Great Falls (GTF)
  • Las Vegas Harry Reid (LAS) - Denver (DEN)
  • Las Vegas Harry Reid (LAS) - Great Falls (GTF)
  • Washington Dulles (IAD) - Denver (DEN)
  • Washington Dulles (IAD) - Great Falls (GTF)
  • Washington Dulles (IAD) - Las Vegas Harry Reid (LAS)
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