United Airlines flight UA 720: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Wed-Fri 07:30 George Bush, Houston (IAH) C 11:56 Philadelphia (PHL) D
UA 720 Non-stop Boeing 737-800 (738) 3:26 Effective 2025-08-01 through 2025-08-18
Wed-Sun 14:31 San Jose (SJC) A 18:03 Denver (DEN)
UA 720 Non-stop Boeing 737-800 (738) 2:32 Effective 2025-06-26 through 2025-07-31
Mon,Tue 14:31 San Jose (SJC) A 18:03 Denver (DEN)
UA 720 Non-stop Airbus A320 (320) 2:32 Effective 2025-06-30 through 2025-07-29
Daily 14:34 San Francisco (SFO) 3 18:14 Denver (DEN)
UA 720 Non-stop Airbus A321neo (32Q) 2:40 Effective 2025-09-25 through 2025-10-25
Daily 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
UA 720 Non-stop Airbus A321neo (32Q) 2:31 Effective 2025-08-19 through 2025-09-24
Daily 14:39 San Francisco (SFO) 3 18:10 Denver (DEN)
UA 720 Non-stop Boeing 737-900 (739) 2:31 Effective 2025-12-18 through 2026-01-05
Daily 15:39 Philadelphia (PHL) D 17:58 Denver (DEN)
UA 720 Non-stop Airbus A320 (320) 4:19 Effective 2025-08-01 through 2025-08-18
Mon-Fri,Sun 16:08 Savannah (SAV) 18:05 Denver (DEN)
UA 720 Non-stop Airbus A319 (319) 3:57 Valid until 2025-05-21
Sat 16:08 Savannah (SAV) 18:05 Denver (DEN)
UA 720 Non-stop Boeing 737-900 (739) 3:57 Effective 2025-05-03 through 2025-05-17
Daily 19:05 Denver (DEN) 21:38 Calgary (YYC)
UA 720 Non-stop Boeing 737-800 (738) 2:33 Effective from 2025-10-26
Daily 19:15 Denver (DEN) 21:48 Calgary (YYC)
UA 720 Non-stop Boeing 737-800 (738) 2:33 Effective 2025-08-19 through 2025-10-25
Daily 19:18 Denver (DEN) 21:48 Calgary (YYC)
UA 720 Non-stop Boeing 737-800 (738) 2:30 Valid until 2025-05-21
Daily 19:19 Denver (DEN) 21:48 Calgary (YYC)
UA 720 Non-stop Boeing 737-800 (738) 2:29 Effective 2025-05-22 through 2025-08-18
Non-Direct Flights:
Mon,Wed-Fri 07:30 George Bush, Houston (IAH) C 17:58 Denver (DEN)
UA 720 1-stop Boeing 737-800 (738) 11:28 Effective 2025-08-01 through 2025-08-18
Wed-Sun 14:31 San Jose (SJC) A 21:48 Calgary (YYC)
UA 720 1-stop Boeing 737-800 (738) 6:17 Effective 2025-06-26 through 2025-07-31
Mon,Tue 14:31 San Jose (SJC) A 21:48 Calgary (YYC)
UA 720 1-stop Airbus A320 (320) 6:17 Effective 2025-06-30 through 2025-07-29
Daily 14:34 San Francisco (SFO) 3 21:48 Calgary (YYC)
UA 720 1-stop Airbus A321neo (32Q) 6:14 Effective 2025-09-25 through 2025-10-25
Daily 14:39 San Francisco (SFO) 3 21:48 Calgary (YYC)
UA 720 1-stop Airbus A321neo (32Q) 6:09 Effective 2025-08-19 through 2025-09-24
Daily 14:39 San Francisco (SFO) 3 21:38 Calgary (YYC)
UA 720 1-stop Boeing 737-900 (739) 5:59 Effective 2025-12-18 through 2026-01-05
Daily 15:39 Philadelphia (PHL) D 21:48 Calgary (YYC)
UA 720 1-stop Airbus A320 (320) 8:09 Effective 2025-08-01 through 2025-08-18
Mon-Fri,Sun 16:08 Savannah (SAV) 21:48 Calgary (YYC)
UA 720 1-stop Airbus A319 (319) 7:40 Valid until 2025-05-21
Sat 16:08 Savannah (SAV) 21:48 Calgary (YYC)
UA 720 1-stop Boeing 737-900 (739) 7:40 Effective 2025-05-03 through 2025-05-17
Mon,Wed-Fri 07:30 George Bush, Houston (IAH) C 21:48 Calgary (YYC)
UA 720 2-stop Boeing 737-800 (738) 15:18 Effective 2025-08-01 through 2025-08-18
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This flight number is listed as serving the following routes:


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United Airlines flight UA 720: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA720
07:30
George Bush, Houston (IAH) C

11:56
Philadelphia (PHL) D
Effective 2025-08-01 through 2025-08-18
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:26, non-stop
Boeing 737-800 (738)
United Airlines UA720
14:31
San Jose (SJC) A

18:03
Denver (DEN)
Effective 2025-06-26 through 2025-07-31
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Boeing 737-800 (738)
United Airlines UA720
14:31
San Jose (SJC) A

18:03
Denver (DEN)
Effective 2025-06-30 through 2025-07-29
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:32, non-stop
Airbus A320 (320)
United Airlines UA720
14:34
San Francisco (SFO) 3

18:14
Denver (DEN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Airbus A321neo (32Q)
United Airlines UA720
14:39
San Francisco (SFO) 3

18:10
Denver (DEN)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:31, non-stop
Airbus A321neo (32Q)
United Airlines UA720
14:39
San Francisco (SFO) 3

18:10
Denver (DEN)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:31, non-stop
Boeing 737-900 (739)
United Airlines UA720
15:39
Philadelphia (PHL) D

17:58
Denver (DEN)
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:19, non-stop
Airbus A320 (320)
United Airlines UA720
16:08
Savannah (SAV)

18:05
Denver (DEN)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:57, non-stop
Airbus A319 (319)
United Airlines UA720
16:08
Savannah (SAV)

18:05
Denver (DEN)
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:57, non-stop
Boeing 737-900 (739)
United Airlines UA720
19:05
Denver (DEN)

21:38
Calgary (YYC)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Boeing 737-800 (738)
United Airlines UA720
19:15
Denver (DEN)

21:48
Calgary (YYC)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Boeing 737-800 (738)
United Airlines UA720
19:18
Denver (DEN)

21:48
Calgary (YYC)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Boeing 737-800 (738)
United Airlines UA720
19:19
Denver (DEN)

21:48
Calgary (YYC)
Effective 2025-05-22 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:29, non-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA720
07:30
George Bush, Houston (IAH) C

17:58
Denver (DEN)
Effective 2025-08-01 through 2025-08-18
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 11:28, 1-stop
Boeing 737-800 (738)
United Airlines UA720
14:31
San Jose (SJC) A

21:48
Calgary (YYC)
Effective 2025-06-26 through 2025-07-31
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 6:17, 1-stop
Boeing 737-800 (738)
United Airlines UA720
14:31
San Jose (SJC) A

21:48
Calgary (YYC)
Effective 2025-06-30 through 2025-07-29
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:17, 1-stop
Airbus A320 (320)
United Airlines UA720
14:34
San Francisco (SFO) 3

21:48
Calgary (YYC)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:14, 1-stop
Airbus A321neo (32Q)
United Airlines UA720
14:39
San Francisco (SFO) 3

21:48
Calgary (YYC)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:09, 1-stop
Airbus A321neo (32Q)
United Airlines UA720
14:39
San Francisco (SFO) 3

21:38
Calgary (YYC)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:59, 1-stop
Boeing 737-900 (739)
United Airlines UA720
15:39
Philadelphia (PHL) D

21:48
Calgary (YYC)
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:09, 1-stop
Airbus A320 (320)
United Airlines UA720
16:08
Savannah (SAV)

21:48
Calgary (YYC)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 7:40, 1-stop
Airbus A319 (319)
United Airlines UA720
16:08
Savannah (SAV)

21:48
Calgary (YYC)
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:40, 1-stop
Boeing 737-900 (739)
United Airlines UA720
07:30
George Bush, Houston (IAH) C

21:48
Calgary (YYC)
Effective 2025-08-01 through 2025-08-18
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 15:18, 2-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Calgary (YYC)
  • George Bush, Houston (IAH) - Calgary (YYC)
  • George Bush, Houston (IAH) - Denver (DEN)
  • George Bush, Houston (IAH) - Philadelphia (PHL)
  • Philadelphia (PHL) - Calgary (YYC)
  • Philadelphia (PHL) - Denver (DEN)
  • San Francisco (SFO) - Calgary (YYC)
  • San Francisco (SFO) - Denver (DEN)
  • San Jose (SJC) - Calgary (YYC)
  • San Jose (SJC) - Denver (DEN)
  • Savannah (SAV) - Calgary (YYC)
  • Savannah (SAV) - Denver (DEN)
All United Airlines flights
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