United Airlines flight UA 2391: Denver - San Diego via San Francisco

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:39 Denver (DEN) 09:30 San Francisco (SFO) 3 UA 2391 Non-stop Airbus A321neo (32Q) 2:51 Effective 2026-03-29 through 2026-04-29
Mon-Sat 07:45 Denver (DEN) 09:40 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 757-200 (752) 2:55 Effective 2026-02-12 through 2026-03-04
Sun 07:45 Denver (DEN) 09:40 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 737-800 (738) 2:55 Effective 2026-02-15 through 2026-03-01
Mon-Fri,Sun 07:45 Denver (DEN) 09:39 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 777 (777) 2:54 Effective 2026-03-05 through 2026-03-13
Sat 07:45 Denver (DEN) 09:45 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 757-200 (752) 3:00 Operates only on 2026-03-07
Daily 07:45 Denver (DEN) 09:39 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 777 (777) 2:54 Effective 2026-03-14 through 2026-03-28
Daily 07:45 Denver (DEN) 09:35 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 777 (777) 2:50 Effective 2026-04-30 through 2026-05-20
Daily 07:45 Denver (DEN) 09:29 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 777 (777) 2:44 Effective 2026-05-21 through 2026-08-10
Daily 07:45 Denver (DEN) 09:29 San Francisco (SFO) 3 UA 2391 Non-stop Airbus A321neo (32Q) 2:44 Effective from 2026-08-11
Mon-Fri,Sun 07:47 Denver (DEN) 09:43 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 757-300 (753) 2:56 Valid until 2026-01-05
Sat 07:47 Denver (DEN) 09:45 San Francisco (SFO) 3 UA 2391 Non-stop Airbus A321neo (32Q) 2:58 Operates only on 2026-01-03
Mon,Tue,Fri-Sun 07:47 Denver (DEN) 09:45 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 757-200 (752) 2:58 Effective 2026-01-06 through 2026-02-10
Wed,Thu 07:47 Denver (DEN) 09:45 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 737-900 (739) 2:58 Effective 2026-01-07 through 2026-01-29
Wed 07:47 Denver (DEN) 09:45 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 737 MAX 9 (7M9) 2:58 Operates only on 2026-02-04
Thu 07:47 Denver (DEN) 09:45 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 737-900 (739) 2:58 Operates only on 2026-02-05
Wed 07:47 Denver (DEN) 09:45 San Francisco (SFO) 3 UA 2391 Non-stop Boeing 757-200 (752) 2:58 Operates only on 2026-02-11
Daily 13:11 San Francisco (SFO) 3 14:49 San Diego (SAN) 2 UA 2391 Non-stop Boeing 737-800 (738) 1:38 Effective 2026-02-12 through 2026-03-04
Daily 13:13 San Francisco (SFO) 3 14:52 San Diego (SAN) 2 UA 2391 Non-stop Boeing 737-800 (738) 1:39 Effective 2026-01-06 through 2026-02-02
Tue 13:13 San Francisco (SFO) 3 14:52 San Diego (SAN) 2 UA 2391 Non-stop Boeing 737 MAX 9 (7M9) 1:39 Operates only on 2026-02-03
Daily 13:13 San Francisco (SFO) 3 14:52 San Diego (SAN) 2 UA 2391 Non-stop Boeing 737-800 (738) 1:39 Effective 2026-02-04 through 2026-02-11
Daily 13:25 San Francisco (SFO) 3 14:58 San Diego (SAN) 2 UA 2391 Non-stop Boeing 737-800 (738) 1:33 Valid until 2026-01-05
Non-Direct Flights:
Mon-Sat 07:45 Denver (DEN) 14:49 San Diego (SAN) 2 UA 2391 1-stop Boeing 757-200 (752) 8:04 Effective 2026-02-12 through 2026-03-04
Sun 07:45 Denver (DEN) 14:49 San Diego (SAN) 2 UA 2391 1-stop Boeing 737-800 (738) 8:04 Effective 2026-02-15 through 2026-03-01
Mon-Fri,Sun 07:47 Denver (DEN) 14:58 San Diego (SAN) 2 UA 2391 1-stop Boeing 757-300 (753) 8:11 Valid until 2026-01-05
Sat 07:47 Denver (DEN) 14:58 San Diego (SAN) 2 UA 2391 1-stop Airbus A321neo (32Q) 8:11 Operates only on 2026-01-03
Mon,Tue,Fri-Sun 07:47 Denver (DEN) 14:52 San Diego (SAN) 2 UA 2391 1-stop Boeing 757-200 (752) 8:05 Effective 2026-01-06 through 2026-02-10
Wed,Thu 07:47 Denver (DEN) 14:52 San Diego (SAN) 2 UA 2391 1-stop Boeing 737-900 (739) 8:05 Effective 2026-01-07 through 2026-01-29
Wed 07:47 Denver (DEN) 14:52 San Diego (SAN) 2 UA 2391 1-stop Boeing 737 MAX 9 (7M9) 8:05 Operates only on 2026-02-04
Thu 07:47 Denver (DEN) 14:52 San Diego (SAN) 2 UA 2391 1-stop Boeing 737-900 (739) 8:05 Operates only on 2026-02-05
Wed 07:47 Denver (DEN) 14:52 San Diego (SAN) 2 UA 2391 1-stop Boeing 757-200 (752) 8:05 Operates only on 2026-02-11

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Parallax here DEN-SAN

UA 2391 is a domestic flight departing from the Denver airport (DEN) and arriving at San Diego airport (SAN).
The flight runs via San Francisco (SFO).
The flight distance is 851 miles, or 1370 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.

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United Airlines flight UA 2391:
Denver - San Diego via San Francisco

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA2391

07:39

Denver (DEN)

09:30

San Francisco (SFO) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:51, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2391

07:45

Denver (DEN)

09:40

San Francisco (SFO) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 757-200 (752)

Direct Flights:

United Airlines UA2391

07:45

Denver (DEN)

09:40

San Francisco (SFO) 3

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2391

07:45

Denver (DEN)

09:39

San Francisco (SFO) 3

Effective 2026-03-05 through 2026-03-13

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:54, non-stop
Boeing 777 (777)

Direct Flights:

United Airlines UA2391

07:45

Denver (DEN)

09:45

San Francisco (SFO) 3

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:00, non-stop
Boeing 757-200 (752)

Direct Flights:

United Airlines UA2391

07:45

Denver (DEN)

09:39

San Francisco (SFO) 3

Effective 2026-03-14 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:54, non-stop
Boeing 777 (777)

Direct Flights:

United Airlines UA2391

07:45

Denver (DEN)

09:35

San Francisco (SFO) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:50, non-stop
Boeing 777 (777)

Direct Flights:

United Airlines UA2391

07:45

Denver (DEN)

09:29

San Francisco (SFO) 3

Effective 2026-05-21 through 2026-08-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:44, non-stop
Boeing 777 (777)

Direct Flights:

United Airlines UA2391

07:45

Denver (DEN)

09:29

San Francisco (SFO) 3

Effective from 2026-08-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:44, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

09:43

San Francisco (SFO) 3

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:56, non-stop
Boeing 757-300 (753)

Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

09:45

San Francisco (SFO) 3

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:58, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

09:45

San Francisco (SFO) 3

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

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 2:58, non-stop
Boeing 757-200 (752)

Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

09:45

San Francisco (SFO) 3

Effective 2026-01-07 through 2026-01-29

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:58, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

09:45

San Francisco (SFO) 3

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:58, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

09:45

San Francisco (SFO) 3

Operates only on 2026-02-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:58, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

09:45

San Francisco (SFO) 3

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:58, non-stop
Boeing 757-200 (752)

Direct Flights:

United Airlines UA2391

13:11

San Francisco (SFO) 3

14:49

San Diego (SAN) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:38, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2391

13:13

San Francisco (SFO) 3

14:52

San Diego (SAN) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:39, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2391

13:13

San Francisco (SFO) 3

14:52

San Diego (SAN) 2

Operates only on 2026-02-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:39, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2391

13:13

San Francisco (SFO) 3

14:52

San Diego (SAN) 2

Effective 2026-02-04 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:39, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2391

13:25

San Francisco (SFO) 3

14:58

San Diego (SAN) 2

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:33, non-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA2391

07:45

Denver (DEN)

14:49

San Diego (SAN) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 8:04, 1-stop
Boeing 757-200 (752)

Non-Direct Flights:

United Airlines UA2391

07:45

Denver (DEN)

14:49

San Diego (SAN) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:04, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

14:58

San Diego (SAN) 2

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 8:11, 1-stop
Boeing 757-300 (753)

Non-Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

14:58

San Diego (SAN) 2

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:11, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

14:52

San Diego (SAN) 2

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

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 8:05, 1-stop
Boeing 757-200 (752)

Non-Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

14:52

San Diego (SAN) 2

Effective 2026-01-07 through 2026-01-29

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 8:05, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

14:52

San Diego (SAN) 2

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:05, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

14:52

San Diego (SAN) 2

Operates only on 2026-02-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 8:05, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA2391

07:47

Denver (DEN)

14:52

San Diego (SAN) 2

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:05, 1-stop
Boeing 757-200 (752)

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Parallax here DEN-SAN

UA 2391 is a domestic flight departing from the Denver airport (DEN) and arriving at San Diego airport (SAN).
The flight runs via San Francisco (SFO).
The flight distance is 851 miles, or 1370 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.

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