United Airlines flight UA 2166: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Thu,Sun 10:47 Jacksonville (JAX) 13:08 Newark Liberty, New York (EWR) C
UA 2166 Non-stop Boeing 737 MAX 9 (7M9) 2:21 Effective 2026-02-12 through 2026-03-04
Fri,Sat 10:47 Jacksonville (JAX) 13:08 Newark Liberty, New York (EWR) C
UA 2166 Non-stop Boeing 737-900 (739) 2:21 Effective 2026-02-13 through 2026-02-28
Daily 14:20 Newark Liberty, New York (EWR) C 17:25 Houston George Bush (IAH) C
UA 2166 Non-stop Boeing 737-900 (739) 4:05 Effective 2026-02-12 through 2026-03-02
Tue 14:20 Newark Liberty, New York (EWR) C 17:25 Houston George Bush (IAH) C
UA 2166 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Operates only on 2026-03-03
Wed 14:20 Newark Liberty, New York (EWR) C 17:25 Houston George Bush (IAH) C
UA 2166 Non-stop Boeing 737-900 (739) 4:05 Operates only on 2026-03-04
Daily 16:25 Bozeman (BZN) 18:18 Denver (DEN)
UA 2166 Non-stop Airbus A319 (319) 1:53 Valid until 2026-01-05
Mon-Fri,Sun 17:16 Chicago O'Hare (ORD) 1 20:10 San Francisco (SFO) 3
UA 2166 Non-stop Boeing 737 MAX 9 (7M9) 4:54 Effective 2026-01-06 through 2026-01-16
Mon-Fri,Sun 17:16 Chicago O'Hare (ORD) 1 20:10 San Francisco (SFO) 3
UA 2166 Non-stop Boeing 737 MAX 9 (7M9) 4:54 Effective 2026-01-19 through 2026-02-11
Daily 17:38 Denver (DEN) 20:03 Wichita (ICT)
UA 2166 Non-stop Airbus A319 (319) 1:25 Effective 2026-03-29 through 2026-04-29
Daily 17:45 Denver (DEN) 20:14 Wichita (ICT)
UA 2166 Non-stop Airbus A319 (319) 1:29 Effective 2026-03-05 through 2026-03-28
Daily 18:00 Denver (DEN) 20:32 Wichita (ICT)
UA 2166 Non-stop Boeing 737-800 (738) 1:32 Effective 2026-04-30 through 2026-05-20
Daily 18:00 Denver (DEN) 20:32 Wichita (ICT)
UA 2166 Non-stop Airbus A319 (319) 1:32 Effective from 2026-05-21
Mon-Fri,Sun 20:22 Houston George Bush (IAH) C 22:58 San Francisco (SFO) 3
UA 2166 Non-stop Boeing 737 MAX 9 (7M9) 4:36 Effective 2026-02-12 through 2026-03-04
Sat 20:22 Houston George Bush (IAH) C 22:58 San Francisco (SFO) 3
UA 2166 Non-stop Boeing 737-800 (738) 4:36 Effective 2026-02-14 through 2026-02-28
Non-Direct Flights:
Mon-Thu,Sun 10:47 Jacksonville (JAX) 17:25 Houston George Bush (IAH) C
UA 2166 1-stop Boeing 737 MAX 9 (7M9) 7:38 Effective 2026-02-12 through 2026-03-04
Fri,Sat 10:47 Jacksonville (JAX) 17:25 Houston George Bush (IAH) C
UA 2166 1-stop Boeing 737-900 (739) 7:38 Effective 2026-02-13 through 2026-02-28
Daily 14:20 Newark Liberty, New York (EWR) C 22:58 San Francisco (SFO) 3
UA 2166 1-stop Boeing 737-900 (739) 11:38 Effective 2026-02-12 through 2026-03-02
Tue 14:20 Newark Liberty, New York (EWR) C 22:58 San Francisco (SFO) 3
UA 2166 1-stop Boeing 737 MAX 8 (7M8) 11:38 Operates only on 2026-03-03
Wed 14:20 Newark Liberty, New York (EWR) C 22:58 San Francisco (SFO) 3
UA 2166 1-stop Boeing 737-900 (739) 11:38 Operates only on 2026-03-04
Mon-Thu,Sun 10:47 Jacksonville (JAX) 22:58 San Francisco (SFO) 3
UA 2166 2-stop Boeing 737 MAX 9 (7M9) 15:11 Effective 2026-02-12 through 2026-03-04
Fri,Sat 10:47 Jacksonville (JAX) 22:58 San Francisco (SFO) 3
UA 2166 2-stop Boeing 737-900 (739) 15:11 Effective 2026-02-13 through 2026-02-28
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This flight number is listed as serving the following routes:


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United Airlines flight UA 2166: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2166
10:47
Jacksonville (JAX)

13:08
Newark Liberty, New York (EWR) C
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:21, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2166
10:47
Jacksonville (JAX)

13:08
Newark Liberty, New York (EWR) C
Effective 2026-02-13 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:21, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2166
14:20
Newark Liberty, New York (EWR) C

17:25
Houston George Bush (IAH) C
Effective 2026-02-12 through 2026-03-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:05, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2166
14:20
Newark Liberty, New York (EWR) C

17:25
Houston George Bush (IAH) C
Operates only on 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2166
14:20
Newark Liberty, New York (EWR) C

17:25
Houston George Bush (IAH) C
Operates only on 2026-03-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2166
16:25
Bozeman (BZN)

18:18
Denver (DEN)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2166
17:16
Chicago O'Hare (ORD) 1

20:10
San Francisco (SFO) 3
Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:54, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2166
17:16
Chicago O'Hare (ORD) 1

20:10
San Francisco (SFO) 3
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:54, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2166
17:38
Denver (DEN)

20:03
Wichita (ICT)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2166
17:45
Denver (DEN)

20:14
Wichita (ICT)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2166
18:00
Denver (DEN)

20:32
Wichita (ICT)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2166
18:00
Denver (DEN)

20:32
Wichita (ICT)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2166
20:22
Houston George Bush (IAH) C

22:58
San Francisco (SFO) 3
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:36, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2166
20:22
Houston George Bush (IAH) C

22:58
San Francisco (SFO) 3
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:36, non-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2166
10:47
Jacksonville (JAX)

17:25
Houston George Bush (IAH) C
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 7:38, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA2166
10:47
Jacksonville (JAX)

17:25
Houston George Bush (IAH) C
Effective 2026-02-13 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 7:38, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2166
14:20
Newark Liberty, New York (EWR) C

22:58
San Francisco (SFO) 3
Effective 2026-02-12 through 2026-03-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:38, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2166
14:20
Newark Liberty, New York (EWR) C

22:58
San Francisco (SFO) 3
Operates only on 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 11:38, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA2166
14:20
Newark Liberty, New York (EWR) C

22:58
San Francisco (SFO) 3
Operates only on 2026-03-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 11:38, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2166
10:47
Jacksonville (JAX)

22:58
San Francisco (SFO) 3
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 15:11, 2-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA2166
10:47
Jacksonville (JAX)

22:58
San Francisco (SFO) 3
Effective 2026-02-13 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 15:11, 2-stop
Boeing 737-900 (739)
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This flight number is listed as serving the following routes:
  • Bozeman (BZN) - Denver (DEN)
  • Chicago O'Hare (ORD) - San Francisco (SFO)
  • Denver (DEN) - Wichita (ICT)
  • Houston George Bush (IAH) - San Francisco (SFO)
  • Jacksonville (JAX) - Houston George Bush (IAH)
  • Jacksonville (JAX) - Newark Liberty, New York (EWR)
  • Jacksonville (JAX) - San Francisco (SFO)
  • Newark Liberty, New York (EWR) - Houston George Bush (IAH)
  • Newark Liberty, New York (EWR) - San Francisco (SFO)
All United Airlines flights
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