United Airlines flight UA 337: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Phoenix Sky Harbor (PHX) 3 08:53 Denver (DEN)
UA 337 Non-stop Boeing 737-900 (739) 1:53 Effective 2026-03-08 through 2026-03-27
Sat 06:00 Phoenix Sky Harbor (PHX) 3 08:53 Denver (DEN)
UA 337 Non-stop Boeing 737 MAX 8 (7M8) 1:53 Operates only on 2026-03-28
Daily 06:00 Phoenix Sky Harbor (PHX) 3 08:55 Denver (DEN)
UA 337 Non-stop Boeing 737 MAX 9 (7M9) 1:55 Effective 2026-03-29 through 2026-04-29
Daily 06:00 Phoenix Sky Harbor (PHX) 3 08:55 Denver (DEN)
UA 337 Non-stop Airbus A321neo (32Q) 1:55 Effective 2026-04-30 through 2026-05-20
Daily 06:00 Phoenix Sky Harbor (PHX) 3 08:45 Denver (DEN)
UA 337 Non-stop Boeing 737-800 (738) 1:45 Effective from 2026-05-21
Sat 07:10 Chicago O'Hare (ORD) 1 11:26 Key West (EYW)
UA 337 Non-stop Boeing 737-700 (73G) 3:16 Effective 2026-01-10 through 2026-02-07
Sat 09:00 Newark Liberty, New York (EWR) C 11:59 Bozeman (BZN)
UA 337 Non-stop Boeing 737 MAX 8 (7M8) 4:59 Effective 2026-02-21 through 2026-02-28
Sat 09:10 Newark Liberty, New York (EWR) C 12:09 Bozeman (BZN)
UA 337 Non-stop Boeing 737 MAX 8 (7M8) 4:59 Operates only on 2026-02-14
Thu-Sat 09:45 Phoenix Sky Harbor (PHX) 3 14:19 Chicago O'Hare (ORD) 1
UA 337 Non-stop Airbus A321neo (32Q) 3:34 Effective 2026-03-05 through 2026-03-07
Daily 11:15 Denver (DEN) 13:01 Medford (MFR)
UA 337 Non-stop Boeing 737-800 (738) 2:46 Effective 2026-03-29 through 2026-04-29
Daily 11:15 Denver (DEN) 13:09 Medford (MFR)
UA 337 Non-stop Boeing 737 MAX 9 (7M9) 2:54 Effective 2026-04-30 through 2026-05-20
Daily 11:15 Denver (DEN) 13:09 Medford (MFR)
UA 337 Non-stop Boeing 737-800 (738) 2:54 Effective from 2026-05-21
Daily 11:34 Denver (DEN) 13:39 Great Falls (GTF)
UA 337 Non-stop Airbus A319 (319) 2:05 Valid until 2026-01-05
Mon-Fri,Sun 16:50 Cincinnati (CVG) 18:47 Houston George Bush (IAH) C
UA 337 Non-stop Boeing 737-700 (73G) 2:57 Effective 2026-02-12 through 2026-03-04
Tue,Wed 17:00 Cincinnati (CVG) 18:59 Houston George Bush (IAH) C
UA 337 Non-stop Airbus A319 (319) 2:59 Effective 2026-01-06 through 2026-01-21
Mon,Thu,Fri,Sun 17:00 Cincinnati (CVG) 18:58 Houston George Bush (IAH) C
UA 337 Non-stop Boeing 737-700 (73G) 2:58 Effective 2026-01-08 through 2026-01-26
Mon-Fri,Sun 17:00 Cincinnati (CVG) 18:58 Houston George Bush (IAH) C
UA 337 Non-stop Boeing 737-700 (73G) 2:58 Effective 2026-01-27 through 2026-02-02
Tue,Wed 17:00 Cincinnati (CVG) 18:59 Houston George Bush (IAH) C
UA 337 Non-stop Airbus A319 (319) 2:59 Effective 2026-02-03 through 2026-02-11
Mon,Thu,Fri,Sun 17:00 Cincinnati (CVG) 18:58 Houston George Bush (IAH) C
UA 337 Non-stop Boeing 737-700 (73G) 2:58 Effective 2026-02-05 through 2026-02-09
Non-Direct Flights:
Daily 06:00 Phoenix Sky Harbor (PHX) 3 13:01 Medford (MFR)
UA 337 1-stop Boeing 737 MAX 9 (7M9) 7:01 Effective 2026-03-29 through 2026-04-29
Daily 06:00 Phoenix Sky Harbor (PHX) 3 13:09 Medford (MFR)
UA 337 1-stop Airbus A321neo (32Q) 7:09 Effective 2026-04-30 through 2026-05-20
Daily 06:00 Phoenix Sky Harbor (PHX) 3 13:09 Medford (MFR)
UA 337 1-stop Boeing 737-800 (738) 7:09 Effective from 2026-05-21
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This flight number is listed as serving the following routes:


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United Airlines flight UA 337: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA337
06:00
Phoenix Sky Harbor (PHX) 3

08:53
Denver (DEN)
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA337
06:00
Phoenix Sky Harbor (PHX) 3

08:53
Denver (DEN)
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:53, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA337
06:00
Phoenix Sky Harbor (PHX) 3

08:55
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA337
06:00
Phoenix Sky Harbor (PHX) 3

08:55
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA337
06:00
Phoenix Sky Harbor (PHX) 3

08:45
Denver (DEN)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA337
07:10
Chicago O'Hare (ORD) 1

11:26
Key West (EYW)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:16, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA337
09:00
Newark Liberty, New York (EWR) C

11:59
Bozeman (BZN)
Effective 2026-02-21 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:59, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA337
09:10
Newark Liberty, New York (EWR) C

12:09
Bozeman (BZN)
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:59, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA337
09:45
Phoenix Sky Harbor (PHX) 3

14:19
Chicago O'Hare (ORD) 1
Effective 2026-03-05 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 3:34, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA337
11:15
Denver (DEN)

13:01
Medford (MFR)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:46, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA337
11:15
Denver (DEN)

13:09
Medford (MFR)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:54, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA337
11:15
Denver (DEN)

13:09
Medford (MFR)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:54, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA337
11:34
Denver (DEN)

13:39
Great Falls (GTF)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA337
16:50
Cincinnati (CVG)

18:47
Houston George Bush (IAH) C
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:57, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA337
17:00
Cincinnati (CVG)

18:59
Houston George Bush (IAH) C
Effective 2026-01-06 through 2026-01-21
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:59, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA337
17:00
Cincinnati (CVG)

18:58
Houston George Bush (IAH) C
Effective 2026-01-08 through 2026-01-26
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:58, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA337
17:00
Cincinnati (CVG)

18:58
Houston George Bush (IAH) C
Effective 2026-01-27 through 2026-02-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:58, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA337
17:00
Cincinnati (CVG)

18:59
Houston George Bush (IAH) C
Effective 2026-02-03 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:59, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA337
17:00
Cincinnati (CVG)

18:58
Houston George Bush (IAH) C
Effective 2026-02-05 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:58, non-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA337
06:00
Phoenix Sky Harbor (PHX) 3

13:01
Medford (MFR)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:01, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA337
06:00
Phoenix Sky Harbor (PHX) 3

13:09
Medford (MFR)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:09, 1-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA337
06:00
Phoenix Sky Harbor (PHX) 3

13:09
Medford (MFR)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:09, 1-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Key West (EYW)
  • Cincinnati (CVG) - Houston George Bush (IAH)
  • Denver (DEN) - Great Falls (GTF)
  • Denver (DEN) - Medford (MFR)
  • Newark Liberty, New York (EWR) - Bozeman (BZN)
  • Phoenix Sky Harbor (PHX) - Chicago O'Hare (ORD)
  • Phoenix Sky Harbor (PHX) - Denver (DEN)
  • Phoenix Sky Harbor (PHX) - Medford (MFR)
All United Airlines flights
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