United Airlines flight UA 1660: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 07:55 Newark Liberty, New York (EWR) C 11:07 West Palm Beach (PBI)
UA 1660 Non-stop Boeing 737-900 (739) 3:12 Effective 2026-02-14 through 2026-02-28
Mon-Fri,Sun 08:09 Newark Liberty, New York (EWR) C 11:21 West Palm Beach (PBI)
UA 1660 Non-stop Boeing 737-900 (739) 3:12 Effective 2026-02-12 through 2026-03-04
Daily 13:05 Chicago O'Hare (ORD) 1 15:49 Seattle-Tacoma (SEA)
UA 1660 Non-stop Airbus A320 (320) 4:44 Effective 2026-05-21 through 2026-08-10
Daily 17:00 Seattle-Tacoma (SEA) 23:16 Houston George Bush (IAH) C
UA 1660 Non-stop Airbus A320 (320) 4:16 Effective 2026-05-21 through 2026-10-24
Tue 17:35 Tucson (TUS) 19:34 Denver (DEN)
UA 1660 Non-stop Boeing 737-800 (738) 1:59 Effective 2026-01-06 through 2026-02-10
Wed 17:35 Tucson (TUS) 19:34 Denver (DEN)
UA 1660 Non-stop Airbus A320 (320) 1:59 Effective 2026-01-07 through 2026-01-14
Mon,Thu,Fri,Sun 17:35 Tucson (TUS) 19:34 Denver (DEN)
UA 1660 Non-stop Airbus A319 (319) 1:59 Effective 2026-01-08 through 2026-01-15
Wed,Fri 17:35 Tucson (TUS) 19:34 Denver (DEN)
UA 1660 Non-stop Airbus A320 (320) 1:59 Effective 2026-01-16 through 2026-01-21
Mon,Thu,Fri,Sun 17:35 Tucson (TUS) 19:34 Denver (DEN)
UA 1660 Non-stop Airbus A319 (319) 1:59 Effective 2026-01-18 through 2026-02-09
Wed 17:35 Tucson (TUS) 19:34 Denver (DEN)
UA 1660 Non-stop Airbus A320 (320) 1:59 Effective 2026-01-28 through 2026-02-11
Daily 18:50 Houston George Bush (IAH) E 22:32 San Jose (SJO) M
UA 1660 Non-stop Boeing 737-800 (738) 3:42 Valid until 2026-01-05
Thu-Sat 18:50 Houston George Bush (IAH) E 22:32 San Jose (SJO) M
UA 1660 Non-stop Boeing 737 MAX 8 (7M8) 3:42 Effective 2026-03-05 through 2026-03-07
Daily 18:50 Houston George Bush (IAH) E 21:32 San Jose (SJO) M
UA 1660 Non-stop Boeing 737 MAX 8 (7M8) 3:42 Effective 2026-03-08 through 2026-03-28
Non-Direct Flights:
Daily 13:05 Chicago O'Hare (ORD) 1 23:16 Houston George Bush (IAH) C
UA 1660 1-stop Airbus A320 (320) 10:11 Effective 2026-05-21 through 2026-08-10
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1660: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1660
07:55
Newark Liberty, New York (EWR) C

11:07
West Palm Beach (PBI)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:12, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1660
08:09
Newark Liberty, New York (EWR) C

11:21
West Palm Beach (PBI)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:12, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1660
13:05
Chicago O'Hare (ORD) 1

15:49
Seattle-Tacoma (SEA)
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:44, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1660
17:00
Seattle-Tacoma (SEA)

23:16
Houston George Bush (IAH) C
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:16, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1660
17:35
Tucson (TUS)

19:34
Denver (DEN)
Effective 2026-01-06 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:59, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1660
17:35
Tucson (TUS)

19:34
Denver (DEN)
Effective 2026-01-07 through 2026-01-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:59, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1660
17:35
Tucson (TUS)

19:34
Denver (DEN)
Effective 2026-01-08 through 2026-01-15
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:59, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1660
17:35
Tucson (TUS)

19:34
Denver (DEN)
Effective 2026-01-16 through 2026-01-21
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:59, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1660
17:35
Tucson (TUS)

19:34
Denver (DEN)
Effective 2026-01-18 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:59, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1660
17:35
Tucson (TUS)

19:34
Denver (DEN)
Effective 2026-01-28 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:59, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1660
18:50
Houston George Bush (IAH) E

22:32
San Jose (SJO) M
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:42, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1660
18:50
Houston George Bush (IAH) E

22:32
San Jose (SJO) M
Effective 2026-03-05 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 3:42, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1660
18:50
Houston George Bush (IAH) E

21:32
San Jose (SJO) M
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:42, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA1660
13:05
Chicago O'Hare (ORD) 1

23:16
Houston George Bush (IAH) C
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:11, 1-stop
Airbus A320 (320)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Houston George Bush (IAH)
  • Chicago O'Hare (ORD) - Seattle-Tacoma (SEA)
  • Houston George Bush (IAH) - San Jose (SJO)
  • Newark Liberty, New York (EWR) - West Palm Beach (PBI)
  • Seattle-Tacoma (SEA) - Houston George Bush (IAH)
  • Tucson (TUS) - Denver (DEN)
All United Airlines flights
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