United Airlines flight UA 320: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon 05:00 Denver (DEN) 08:25 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 757-300 (753) 2:25 Effective 2025-05-12 through 2025-05-19
Mon,Wed-Fri 05:00 Denver (DEN) 08:29 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 737-900 (739) 2:29 Effective 2025-05-22 through 2025-05-29
Sat,Sun 05:00 Denver (DEN) 08:29 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 737 MAX 9 (7M9) 2:29 Effective 2025-05-24 through 2025-05-31
Tue,Fri 05:00 Denver (DEN) 08:28 George Bush, Houston (IAH) C
UA 320 Non-stop Airbus A321neo (32Q) 2:28 Effective 2025-05-27 through 2025-05-30
Mon-Fri,Sun 05:00 Denver (DEN) 08:29 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 737-900 (739) 2:29 Effective 2025-06-01 through 2025-06-25
Sat 05:00 Denver (DEN) 08:29 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 737 MAX 9 (7M9) 2:29 Effective 2025-06-07 through 2025-06-21
Daily 05:00 Denver (DEN) 08:20 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 737-900 (739) 2:20 Effective from 2025-10-26
Mon-Fri 05:02 Denver (DEN) 08:31 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 737-900 (739) 2:29 Effective 2025-06-26 through 2025-08-18
Sat,Sun 05:02 Denver (DEN) 08:31 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 737 MAX 9 (7M9) 2:29 Effective 2025-06-28 through 2025-08-17
Daily 05:10 Denver (DEN) 08:35 George Bush, Houston (IAH) C
UA 320 Non-stop Airbus A321neo (32Q) 2:25 Effective 2025-09-25 through 2025-10-25
Daily 05:16 Denver (DEN) 08:46 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 737-900 (739) 2:30 Valid until 2025-05-11
Tue-Sun 05:16 Denver (DEN) 08:46 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 737-900 (739) 2:30 Effective 2025-05-13 through 2025-05-21
Daily 05:30 Denver (DEN) 08:50 George Bush, Houston (IAH) C
UA 320 Non-stop Boeing 737-900 (739) 2:20 Effective 2025-08-19 through 2025-09-24
Daily 12:00 George Bush, Houston (IAH) C 17:01 Boston Logan (BOS) B
UA 320 Non-stop Boeing 737-800 (738) 4:01 Effective 2025-08-01 through 2025-08-18
Mon-Fri,Sun 12:05 George Bush, Houston (IAH) C 15:50 John Glenn Columbus (CMH)
UA 320 Non-stop Airbus A319 (319) 2:45 Effective 2025-06-01 through 2025-06-25
Mon-Fri,Sun 12:09 George Bush, Houston (IAH) C 15:54 John Glenn Columbus (CMH)
UA 320 Non-stop Boeing 737-900 (739) 2:45 Effective 2025-06-26 through 2025-07-03
Mon-Fri,Sun 12:09 George Bush, Houston (IAH) C 15:54 John Glenn Columbus (CMH)
UA 320 Non-stop Boeing 737-900 (739) 2:45 Effective 2025-07-06 through 2025-07-31
Fri 12:18 George Bush, Houston (IAH) C 16:03 John Glenn Columbus (CMH)
UA 320 Non-stop Boeing 737-900 (739) 2:45 Operates only on 2025-07-04
Non-Direct Flights:
Mon-Fri,Sun 05:00 Denver (DEN) 15:50 John Glenn Columbus (CMH)
UA 320 1-stop Boeing 737-900 (739) 8:50 Effective 2025-06-01 through 2025-06-25
Mon-Fri 05:02 Denver (DEN) 15:54 John Glenn Columbus (CMH)
UA 320 1-stop Boeing 737-900 (739) 8:52 Effective 2025-06-26 through 2025-07-03
Sun 05:02 Denver (DEN) 15:54 John Glenn Columbus (CMH)
UA 320 1-stop Boeing 737 MAX 9 (7M9) 8:52 Effective 2025-06-29 through 2025-07-27
Fri 05:02 Denver (DEN) 16:03 John Glenn Columbus (CMH)
UA 320 1-stop Boeing 737-900 (739) 9:01 Operates only on 2025-07-04
Mon-Fri 05:02 Denver (DEN) 15:54 John Glenn Columbus (CMH)
UA 320 1-stop Boeing 737-900 (739) 8:52 Effective 2025-07-07 through 2025-07-31
Mon-Fri 05:02 Denver (DEN) 17:01 Boston Logan (BOS) B
UA 320 1-stop Boeing 737-900 (739) 9:59 Effective 2025-08-01 through 2025-08-18
Sat,Sun 05:02 Denver (DEN) 17:01 Boston Logan (BOS) B
UA 320 1-stop Boeing 737 MAX 9 (7M9) 9:59 Effective 2025-08-02 through 2025-08-17
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This flight number is listed as serving the following routes:
United Airlines flight UA 320: Multiple routes
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA320
Effective 2025-05-12 through 2025-05-19
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 757-300 (753)

United Airlines UA320
Effective 2025-05-22 through 2025-05-29
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:29, non-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:29, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA320
Effective 2025-05-27 through 2025-05-30
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:28, non-stop
Airbus A321neo (32Q)

United Airlines UA320
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:29, non-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-06-07 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:29, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA320
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:29, non-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-06-28 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:29, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA320
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:25, non-stop
Airbus A321neo (32Q)

United Airlines UA320
Valid until 2025-05-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-05-13 through 2025-05-21
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:01, non-stop
Boeing 737-800 (738)

United Airlines UA320
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Airbus A319 (319)

United Airlines UA320
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-07-06 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-900 (739)

United Airlines UA320
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA320
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 8:50, 1-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 8:52, 1-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-06-29 through 2025-07-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:52, 1-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA320
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 9:01, 1-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-07-07 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 8:52, 1-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 9:59, 1-stop
Boeing 737-900 (739)

United Airlines UA320
Effective 2025-08-02 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 9:59, 1-stop
Boeing 737 MAX 9 (7M9)
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Parallax here -
This flight number is listed as serving the following routes:
  • Denver (DEN) - Boston Logan (BOS)
  • Denver (DEN) - George Bush, Houston (IAH)
  • Denver (DEN) - John Glenn Columbus (CMH)
  • George Bush, Houston (IAH) - Boston Logan (BOS)
  • George Bush, Houston (IAH) - John Glenn Columbus (CMH)