United Airlines flight UA 604: Multiple routes

FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 00:45 San Francisco (SFO) 3 06:28 Houston George Bush (IAH) C UA 604 Non-stop Boeing 777 (777) 3:43 Effective 2026-03-29 through 2026-06-26
Daily 00:45 San Francisco (SFO) 3 06:28 Houston George Bush (IAH) C UA 604 Non-stop Boeing 777 (777) 3:43 Effective 2026-06-27 through 2026-09-25
Mon-Fri,Sun 00:45 San Francisco (SFO) 3 06:28 Houston George Bush (IAH) C UA 604 Non-stop Boeing 777 (777) 3:43 Effective 2026-09-27 through 2026-10-23
Sat 06:00 San Francisco (SFO) 3 07:30 Los Angeles (LAX) 7 UA 604 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-01-17 through 2026-02-07
Daily 07:20 Houston George Bush (IAH) C 11:20 Baltimore (BWI) UA 604 Non-stop Boeing 737-800 (738) 3:00 Effective from 2026-04-30
Mon-Fri 07:30 Houston George Bush (IAH) C 11:30 Baltimore (BWI) UA 604 Non-stop Boeing 737-900 (739) 3:00 Effective 2026-02-12 through 2026-03-04
Tue-Fri 07:30 Houston George Bush (IAH) C 11:30 Baltimore (BWI) UA 604 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-03-05 through 2026-03-27
Daily 07:30 Houston George Bush (IAH) C 11:36 Baltimore (BWI) UA 604 Non-stop Boeing 737 MAX 8 (7M8) 3:06 Effective 2026-03-29 through 2026-04-29
Sat,Sun 09:30 Houston George Bush (IAH) C 12:06 Jackson (JAC) UA 604 Non-stop Boeing 737-700 (73G) 3:36 Effective 2026-02-14 through 2026-03-01
Mon-Fri 09:35 Denver (DEN) 10:45 Las Vegas Harry Reid (LAS) 3 UA 604 Non-stop Boeing 737-900 (739) 2:10 Effective 2026-01-06 through 2026-02-05
Sun 09:35 Denver (DEN) 10:45 Las Vegas Harry Reid (LAS) 3 UA 604 Non-stop Boeing 737-800 (738) 2:10 Effective 2026-01-11 through 2026-02-01
Tue,Wed,Fri,Sun 09:35 Denver (DEN) 10:42 Las Vegas Harry Reid (LAS) 3 UA 604 Non-stop Airbus A321neo (32Q) 2:07 Effective 2026-02-06 through 2026-02-11
Mon 09:35 Denver (DEN) 10:45 Las Vegas Harry Reid (LAS) 3 UA 604 Non-stop Boeing 737-800 (738) 2:10 Operates only on 2026-02-09
Sat 10:00 Denver (DEN) 11:10 Las Vegas Harry Reid (LAS) 3 UA 604 Non-stop Boeing 737-900 (739) 2:10 Operates only on 2026-01-10
Daily 16:50 Fort Lauderdale (FLL) 1 19:30 Denver (DEN) UA 604 Non-stop Boeing 737-900 (739) 4:40 Valid until 2026-01-04
Mon 16:50 Fort Lauderdale (FLL) 1 19:28 Denver (DEN) UA 604 Non-stop Boeing 737-900 (739) 4:38 Operates only on 2026-01-05
Non-Direct Flights:
Mon-Fri,Sun 00:45 San Francisco (SFO) 3 11:36 Baltimore (BWI) UA 604 1-stop Boeing 777 (777) 7:51 Effective 2026-03-29 through 2026-04-29
Mon-Fri,Sun 00:45 San Francisco (SFO) 3 11:20 Baltimore (BWI) UA 604 1-stop Boeing 777 (777) 7:35 Effective 2026-04-30 through 2026-06-26
Daily 00:45 San Francisco (SFO) 3 11:20 Baltimore (BWI) UA 604 1-stop Boeing 777 (777) 7:35 Effective 2026-06-27 through 2026-09-25
Mon-Fri,Sun 00:45 San Francisco (SFO) 3 11:20 Baltimore (BWI) UA 604 1-stop Boeing 777 (777) 7:35 Effective 2026-09-27 through 2026-10-23

This flight number is listed as serving the following routes:

Denver (DEN) - Las Vegas Harry Reid (LAS)
Fort Lauderdale (FLL) - Denver (DEN)
Houston George Bush (IAH) - Baltimore (BWI)
Houston George Bush (IAH) - Jackson (JAC)
San Francisco (SFO) - Baltimore (BWI)
San Francisco (SFO) - Houston George Bush (IAH)
San Francisco (SFO) - Los Angeles (LAX)

All United Airlines flights

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United Airlines flight UA 604: Multiple routes

FLIGHT SCHEDULE

Direct Flights:

United Airlines UA604

00:45

San Francisco (SFO) 3

06:28

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-06-26

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:43, non-stop
Boeing 777 (777)

Direct Flights:

United Airlines UA604

00:45

San Francisco (SFO) 3

06:28

Houston George Bush (IAH) C

Effective 2026-06-27 through 2026-09-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:43, non-stop
Boeing 777 (777)

Direct Flights:

United Airlines UA604

00:45

San Francisco (SFO) 3

06:28

Houston George Bush (IAH) C

Effective 2026-09-27 through 2026-10-23

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:43, non-stop
Boeing 777 (777)

Direct Flights:

United Airlines UA604

06:00

San Francisco (SFO) 3

07:30

Los Angeles (LAX) 7

Effective 2026-01-17 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA604

07:20

Houston George Bush (IAH) C

11:20

Baltimore (BWI)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:00, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA604

07:30

Houston George Bush (IAH) C

11:30

Baltimore (BWI)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA604

07:30

Houston George Bush (IAH) C

11:30

Baltimore (BWI)

Effective 2026-03-05 through 2026-03-27

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA604

07:30

Houston George Bush (IAH) C

11:36

Baltimore (BWI)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:06, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA604

09:30

Houston George Bush (IAH) C

12:06

Jackson (JAC)

Effective 2026-02-14 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 3:36, non-stop
Boeing 737-700 (73G)

Direct Flights:

United Airlines UA604

09:35

Denver (DEN)

10:45

Las Vegas Harry Reid (LAS) 3

Effective 2026-01-06 through 2026-02-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA604

09:35

Denver (DEN)

10:45

Las Vegas Harry Reid (LAS) 3

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA604

09:35

Denver (DEN)

10:42

Las Vegas Harry Reid (LAS) 3

Effective 2026-02-06 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 2:07, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA604

09:35

Denver (DEN)

10:45

Las Vegas Harry Reid (LAS) 3

Operates only on 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA604

10:00

Denver (DEN)

11:10

Las Vegas Harry Reid (LAS) 3

Operates only on 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:10, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA604

16:50

Fort Lauderdale (FLL) 1

19:30

Denver (DEN)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:40, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA604

16:50

Fort Lauderdale (FLL) 1

19:28

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:38, non-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA604

00:45

San Francisco (SFO) 3

11:36

Baltimore (BWI)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 7:51, 1-stop
Boeing 777 (777)

Non-Direct Flights:

United Airlines UA604

00:45

San Francisco (SFO) 3

11:20

Baltimore (BWI)

Effective 2026-04-30 through 2026-06-26

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 7:35, 1-stop
Boeing 777 (777)

Non-Direct Flights:

United Airlines UA604

00:45

San Francisco (SFO) 3

11:20

Baltimore (BWI)

Effective 2026-06-27 through 2026-09-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:35, 1-stop
Boeing 777 (777)

Non-Direct Flights:

United Airlines UA604

00:45

San Francisco (SFO) 3

11:20

Baltimore (BWI)

Effective 2026-09-27 through 2026-10-23

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 7:35, 1-stop
Boeing 777 (777)

This flight number is listed as serving the following routes:

Denver (DEN) - Las Vegas Harry Reid (LAS)
Fort Lauderdale (FLL) - Denver (DEN)
Houston George Bush (IAH) - Baltimore (BWI)
Houston George Bush (IAH) - Jackson (JAC)
San Francisco (SFO) - Baltimore (BWI)
San Francisco (SFO) - Houston George Bush (IAH)
San Francisco (SFO) - Los Angeles (LAX)

All United Airlines flights

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