United Airlines flights from Denver (DEN) to Jacksonville (JAX).

FLIGHT SCHEDULE
Direct Flights:
Daily 16:06 Denver (DEN) 21:21 Jacksonville (JAX) United Airlines UA 285 Non-stop Boeing 737-800 (738) 3:15 Effective 2026-03-05 through 2026-03-28
Daily 09:37 Denver (DEN) 14:59 Jacksonville (JAX) United Airlines UA 1451 Non-stop Boeing 737-800 (738) 3:22 Effective 2026-02-12 through 2026-03-04
Daily 09:39 Denver (DEN) 15:08 Jacksonville (JAX) United Airlines UA 1451 Non-stop Boeing 737-800 (738) 3:29 Effective 2026-03-29 through 2026-04-29
Tue 09:50 Denver (DEN) 15:11 Jacksonville (JAX) United Airlines UA 1451 Non-stop Boeing 737-900 (739) 3:21 Operates only on 2026-01-06
Daily 09:50 Denver (DEN) 15:07 Jacksonville (JAX) United Airlines UA 1451 Non-stop Boeing 737-800 (738) 3:17 Effective 2026-04-30 through 2026-05-20
Daily 09:53 Denver (DEN) 15:15 Jacksonville (JAX) United Airlines UA 1451 Non-stop Boeing 737-800 (738) 3:22 Effective 2026-01-07 through 2026-02-11
Mon-Fri,Sun 09:55 Denver (DEN) 15:18 Jacksonville (JAX) United Airlines UA 1451 Non-stop Boeing 737-800 (738) 3:23 Valid until 2026-01-05
Sat 09:55 Denver (DEN) 15:19 Jacksonville (JAX) United Airlines UA 1451 Non-stop Airbus A320 (320) 3:24 Valid until 2026-01-03
Daily 09:55 Denver (DEN) 15:17 Jacksonville (JAX) United Airlines UA 1451 Non-stop Boeing 737-800 (738) 3:22 Effective 2026-03-05 through 2026-03-28
Daily 10:00 Denver (DEN) 15:17 Jacksonville (JAX) United Airlines UA 1451 Non-stop Boeing 737-800 (738) 3:17 Effective from 2026-10-25
Mon,Wed-Sun 16:00 Denver (DEN) 21:15 Jacksonville (JAX) United Airlines UA 1485 Non-stop Boeing 737-800 (738) 3:15 Effective 2026-02-12 through 2026-02-22
Wed-Sun 16:00 Denver (DEN) 21:15 Jacksonville (JAX) United Airlines UA 1485 Non-stop Boeing 737-800 (738) 3:15 Effective 2026-02-25 through 2026-03-04
Daily 16:00 Denver (DEN) 21:28 Jacksonville (JAX) United Airlines UA 1485 Non-stop Boeing 737-800 (738) 3:28 Effective 2026-03-29 through 2026-04-29
Wed,Thu,Sat,Sun 16:09 Denver (DEN) 21:27 Jacksonville (JAX) United Airlines UA 1485 Non-stop Boeing 737 MAX 8 (7M8) 3:18 Effective 2026-01-07 through 2026-01-18
Fri 16:09 Denver (DEN) 21:27 Jacksonville (JAX) United Airlines UA 1485 Non-stop Airbus A319 (319) 3:18 Effective 2026-01-09 through 2026-02-06
Mon,Wed,Thu,Sat,Sun 16:09 Denver (DEN) 21:27 Jacksonville (JAX) United Airlines UA 1485 Non-stop Boeing 737 MAX 8 (7M8) 3:18 Effective 2026-01-19 through 2026-01-25
Wed,Thu,Sat,Sun 16:09 Denver (DEN) 21:27 Jacksonville (JAX) United Airlines UA 1485 Non-stop Boeing 737 MAX 8 (7M8) 3:18 Effective 2026-01-28 through 2026-02-08
Wed 16:09 Denver (DEN) 21:27 Jacksonville (JAX) United Airlines UA 1485 Non-stop Boeing 737 MAX 9 (7M9) 3:18 Operates only on 2026-02-11
Daily 16:15 Denver (DEN) 21:32 Jacksonville (JAX) United Airlines UA 1485 Non-stop Airbus A320 (320) 3:17 Effective 2026-04-30 through 2026-05-20
Daily 17:45 Denver (DEN) 23:02 Jacksonville (JAX) United Airlines UA 1485 Non-stop Boeing 737-800 (738) 3:17 Effective from 2026-05-21
Mon-Thu,Sat,Sun 17:52 Denver (DEN) 23:16 Jacksonville (JAX) United Airlines UA 1485 Non-stop Airbus A320 (320) 3:24 Valid until 2026-01-04
Fri 17:52 Denver (DEN) 23:16 Jacksonville (JAX) United Airlines UA 1485 Non-stop Airbus A319 (319) 3:24 Operates only on 2026-01-02
Mon 17:52 Denver (DEN) 23:16 Jacksonville (JAX) United Airlines UA 1485 Non-stop Boeing 737-800 (738) 3:24 Operates only on 2026-01-05
Non-Direct Flights:
Daily 09:45 Denver (DEN) 19:48 Jacksonville (JAX) United Airlines UA 1915 1-stop Airbus A321neo (32Q) 8:03 Effective 2026-04-30 through 2026-05-20
Daily 09:45 Denver (DEN) 19:35 Jacksonville (JAX) United Airlines UA 1915 1-stop Boeing 757-300 (753) 7:50 Effective 2026-05-21 through 2026-08-17
Thu 08:05 Denver (DEN) 22:43 Jacksonville (JAX) United Airlines UA 1469 2-stop Boeing 737 MAX 8 (7M8) 12:38 Operates only on 2026-02-12
Mon,Fri 08:05 Denver (DEN) 22:39 Jacksonville (JAX) United Airlines UA 1469 2-stop Boeing 737-900 (739) 12:34 Effective 2026-02-13 through 2026-03-02
Sat 08:05 Denver (DEN) 23:19 Jacksonville (JAX) United Airlines UA 1469 2-stop Boeing 737-900 (739) 13:14 Effective 2026-02-14 through 2026-02-28
Sun 08:05 Denver (DEN) 22:49 Jacksonville (JAX) United Airlines UA 1469 2-stop Boeing 737-900 (739) 12:44 Effective 2026-02-15 through 2026-03-01
Thu 08:05 Denver (DEN) 22:43 Jacksonville (JAX) United Airlines UA 1469 2-stop Boeing 737-900 (739) 12:38 Effective 2026-02-19 through 2026-02-26

A domestic route departing from the Denver airport (DEN) and arriving at Jacksonville airport (JAX).
The flight distance is 1444 miles, or 2323 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . 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.
For direct flights, the flight time varies between 3:15 and 3:29.

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA285

16:06

Denver (DEN)

21:21

Jacksonville (JAX)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:15, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1451

09:37

Denver (DEN)

14:59

Jacksonville (JAX)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:22, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1451

09:39

Denver (DEN)

15:08

Jacksonville (JAX)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:29, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1451

09:50

Denver (DEN)

15:11

Jacksonville (JAX)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:21, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1451

09:50

Denver (DEN)

15:07

Jacksonville (JAX)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:17, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1451

09:53

Denver (DEN)

15:15

Jacksonville (JAX)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:22, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1451

09:55

Denver (DEN)

15:18

Jacksonville (JAX)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:23, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1451

09:55

Denver (DEN)

15:19

Jacksonville (JAX)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:24, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1451

09:55

Denver (DEN)

15:17

Jacksonville (JAX)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:22, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1451

10:00

Denver (DEN)

15:17

Jacksonville (JAX)

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:17, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1485

16:00

Denver (DEN)

21:15

Jacksonville (JAX)

Effective 2026-02-12 through 2026-02-22

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 3:15, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1485

16:00

Denver (DEN)

21:15

Jacksonville (JAX)

Effective 2026-02-25 through 2026-03-04

Mon
-

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 3:15, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1485

16:00

Denver (DEN)

21:28

Jacksonville (JAX)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:28, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1485

16:09

Denver (DEN)

21:27

Jacksonville (JAX)

Effective 2026-01-07 through 2026-01-18

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Duration: 3:18, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1485

16:09

Denver (DEN)

21:27

Jacksonville (JAX)

Effective 2026-01-09 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:18, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1485

16:09

Denver (DEN)

21:27

Jacksonville (JAX)

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Duration: 3:18, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1485

16:09

Denver (DEN)

21:27

Jacksonville (JAX)

Effective 2026-01-28 through 2026-02-08

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat

Sun

Duration: 3:18, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1485

16:09

Denver (DEN)

21:27

Jacksonville (JAX)

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:18, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1485

16:15

Denver (DEN)

21:32

Jacksonville (JAX)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:17, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1485

17:45

Denver (DEN)

23:02

Jacksonville (JAX)

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:17, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1485

17:52

Denver (DEN)

23:16

Jacksonville (JAX)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Duration: 3:24, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1485

17:52

Denver (DEN)

23:16

Jacksonville (JAX)

Operates only on 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:24, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1485

17:52

Denver (DEN)

23:16

Jacksonville (JAX)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:24, non-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA1915

09:45

Denver (DEN)

19:48

Jacksonville (JAX)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:03, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA1915

09:45

Denver (DEN)

19:35

Jacksonville (JAX)

Effective 2026-05-21 through 2026-08-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:50, 1-stop
Boeing 757-300 (753)

Non-Direct Flights:

United Airlines UA1469

08:05

Denver (DEN)

22:43

Jacksonville (JAX)

Operates only on 2026-02-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 12:38, 2-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA1469

08:05

Denver (DEN)

22:39

Jacksonville (JAX)

Effective 2026-02-13 through 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 12:34, 2-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA1469

08:05

Denver (DEN)

23:19

Jacksonville (JAX)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 13:14, 2-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA1469

08:05

Denver (DEN)

22:49

Jacksonville (JAX)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 12:44, 2-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA1469

08:05

Denver (DEN)

22:43

Jacksonville (JAX)

Effective 2026-02-19 through 2026-02-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 12:38, 2-stop
Boeing 737-900 (739)

A domestic route departing from the Denver airport (DEN) and arriving at Jacksonville airport (JAX).
The flight distance is 1444 miles, or 2323 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . 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.
For direct flights, the flight time varies between 3:15 and 3:29.

All DEN-JAX flights

All United Airlines flights

Return (JAX-DEN) flights

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