United Airlines flight UA 1204: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sun 06:19 Raleigh/Durham (RDU) 2 09:31 San Francisco (SFO) 3 UA 1204 Non-stop Boeing 737 MAX 8 (7M8) 6:12 Valid until 2026-01-04
Mon-Wed,Fri,Sat 06:20 Raleigh/Durham (RDU) 2 09:32 San Francisco (SFO) 3 UA 1204 Non-stop Boeing 737 MAX 8 (7M8) 6:12 Valid until 2026-01-05
Daily 07:15 Milwaukee (MKE) 08:55 Denver (DEN) UA 1204 Non-stop Airbus A320 (320) 2:40 Effective 2026-05-21 through 2026-06-25
Tue-Sun 08:15 Milwaukee (MKE) 10:06 Denver (DEN) UA 1204 Non-stop Airbus A320 (320) 2:51 Effective 2026-03-05 through 2026-03-28
Mon 08:15 Milwaukee (MKE) 10:06 Denver (DEN) UA 1204 Non-stop Airbus A319 (319) 2:51 Effective 2026-03-09 through 2026-03-23
Daily 08:15 Milwaukee (MKE) 10:02 Denver (DEN) UA 1204 Non-stop Airbus A319 (319) 2:47 Effective 2026-03-29 through 2026-04-29
Daily 08:15 Milwaukee (MKE) 10:02 Denver (DEN) UA 1204 Non-stop Airbus A320 (320) 2:47 Effective 2026-04-30 through 2026-05-20
Daily 08:30 Milwaukee (MKE) 10:10 Denver (DEN) UA 1204 Non-stop Airbus A320 (320) 2:40 Effective from 2026-06-26
Thu 10:45 Santa Barbara (SBA) 12:02 San Francisco (SFO) 3 UA 1204 Non-stop Boeing 737-800 (738) 1:17 Operates only on 2026-01-01
Tue 13:35 Denver (DEN) 15:40 Tucson (TUS) UA 1204 Non-stop Boeing 737-800 (738) 2:05 Effective 2026-01-06 through 2026-02-10
Wed 13:35 Denver (DEN) 15:40 Tucson (TUS) UA 1204 Non-stop Airbus A320 (320) 2:05 Effective 2026-01-07 through 2026-02-11
Mon 13:35 Denver (DEN) 15:40 Tucson (TUS) UA 1204 Non-stop Airbus A319 (319) 2:05 Operates only on 2026-01-12
Mon 13:35 Denver (DEN) 15:40 Tucson (TUS) UA 1204 Non-stop Airbus A319 (319) 2:05 Effective 2026-01-26 through 2026-02-09
Mon-Fri 13:50 Denver (DEN) 16:02 Tucson (TUS) UA 1204 Non-stop Airbus A319 (319) 2:12 Effective 2026-02-12 through 2026-03-04
Sun 13:50 Denver (DEN) 16:01 Tucson (TUS) UA 1204 Non-stop Boeing 737-800 (738) 2:11 Effective 2026-02-15 through 2026-03-01
Thu,Fri,Sun 14:32 Denver (DEN) 16:37 Tucson (TUS) UA 1204 Non-stop Airbus A319 (319) 2:05 Effective 2026-01-08 through 2026-01-15
Fri 14:32 Denver (DEN) 16:37 Tucson (TUS) UA 1204 Non-stop Airbus A320 (320) 2:05 Operates only on 2026-01-16
Mon,Thu,Fri,Sun 14:32 Denver (DEN) 16:37 Tucson (TUS) UA 1204 Non-stop Airbus A319 (319) 2:05 Effective 2026-01-18 through 2026-01-25
Thu,Fri,Sun 14:32 Denver (DEN) 16:37 Tucson (TUS) UA 1204 Non-stop Airbus A319 (319) 2:05 Effective 2026-01-29 through 2026-02-08
Sat 14:32 Denver (DEN) 16:44 Tucson (TUS) UA 1204 Non-stop Airbus A319 (319) 2:12 Effective 2026-02-14 through 2026-02-28

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Parallax here -

This flight number is listed as serving the following routes:

Denver (DEN) - Tucson (TUS)
Milwaukee (MKE) - Denver (DEN)
Raleigh/Durham (RDU) - San Francisco (SFO)
Santa Barbara (SBA) - San Francisco (SFO)

All United Airlines flights

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United Airlines flight UA 1204: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA1204

06:19

Raleigh/Durham (RDU) 2

09:31

San Francisco (SFO) 3

Valid until 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:12, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1204

06:20

Raleigh/Durham (RDU) 2

09:32

San Francisco (SFO) 3

Valid until 2026-01-05

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 6:12, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1204

07:15

Milwaukee (MKE)

08:55

Denver (DEN)

Effective 2026-05-21 through 2026-06-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:40, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1204

08:15

Milwaukee (MKE)

10:06

Denver (DEN)

Effective 2026-03-05 through 2026-03-28

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:51, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1204

08:15

Milwaukee (MKE)

10:06

Denver (DEN)

Effective 2026-03-09 through 2026-03-23

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:51, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1204

08:15

Milwaukee (MKE)

10:02

Denver (DEN)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:47, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1204

08:15

Milwaukee (MKE)

10:02

Denver (DEN)

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:47, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1204

08:30

Milwaukee (MKE)

10:10

Denver (DEN)

Effective from 2026-06-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:40, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1204

10:45

Santa Barbara (SBA)

12:02

San Francisco (SFO) 3

Operates only on 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:17, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1204

13:35

Denver (DEN)

15:40

Tucson (TUS)

Effective 2026-01-06 through 2026-02-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1204

13:35

Denver (DEN)

15:40

Tucson (TUS)

Effective 2026-01-07 through 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1204

13:35

Denver (DEN)

15:40

Tucson (TUS)

Operates only on 2026-01-12

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1204

13:35

Denver (DEN)

15:40

Tucson (TUS)

Effective 2026-01-26 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1204

13:50

Denver (DEN)

16:02

Tucson (TUS)

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:12, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1204

13:50

Denver (DEN)

16:01

Tucson (TUS)

Effective 2026-02-15 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:11, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1204

14:32

Denver (DEN)

16:37

Tucson (TUS)

Effective 2026-01-08 through 2026-01-15

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:05, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1204

14:32

Denver (DEN)

16:37

Tucson (TUS)

Operates only on 2026-01-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1204

14:32

Denver (DEN)

16:37

Tucson (TUS)

Effective 2026-01-18 through 2026-01-25

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:05, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1204

14:32

Denver (DEN)

16:37

Tucson (TUS)

Effective 2026-01-29 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:05, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1204

14:32

Denver (DEN)

16:44

Tucson (TUS)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:12, non-stop
Airbus A319 (319)

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Parallax here -

This flight number is listed as serving the following routes:

Denver (DEN) - Tucson (TUS)
Milwaukee (MKE) - Denver (DEN)
Raleigh/Durham (RDU) - San Francisco (SFO)
Santa Barbara (SBA) - San Francisco (SFO)

All United Airlines flights

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