United Airlines flights from Grand Rapids (GRR) to Denver (DEN).

FLIGHT SCHEDULE
Direct Flights:
Daily 15:25 Grand Rapids (GRR) 16:30 Denver (DEN) United Airlines UA 646 Non-stop Boeing 737-800 (738) 3:05 Effective 2026-01-06 through 2026-02-03
Daily 15:25 Grand Rapids (GRR) 16:30 Denver (DEN) United Airlines UA 646 Non-stop Boeing 737-800 (738) 3:05 Effective 2026-02-05 through 2026-02-11
Mon,Wed-Sun 09:00 Grand Rapids (GRR) 10:06 Denver (DEN) United Airlines UA 1658 Non-stop Boeing 737-800 (738) 3:06 Effective 2026-03-05 through 2026-03-28
Tue 09:00 Grand Rapids (GRR) 10:07 Denver (DEN) United Airlines UA 1658 Non-stop Airbus A320 (320) 3:07 Effective 2026-03-10 through 2026-03-24
Daily 15:35 Grand Rapids (GRR) 16:39 Denver (DEN) United Airlines UA 2617 Non-stop Boeing 737-800 (738) 3:04 Valid until 2026-01-05
Daily 15:25 Grand Rapids (GRR) 16:31 Denver (DEN) United Airlines UA 2645 Non-stop Boeing 737-800 (738) 3:06 Effective 2026-02-12 through 2026-03-04
Mon-Fri,Sun 08:00 Grand Rapids (GRR) 09:07 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737-800 (738) 3:07 Valid until 2026-01-05
Sat 08:00 Grand Rapids (GRR) 09:07 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737 MAX 8 (7M8) 3:07 Valid until 2026-01-03
Daily 09:00 Grand Rapids (GRR) 10:10 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737-800 (738) 3:10 Effective 2026-02-12 through 2026-03-04
Daily 09:00 Grand Rapids (GRR) 10:00 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737-900 (739) 3:00 Effective 2026-03-29 through 2026-05-20
Daily 09:00 Grand Rapids (GRR) 10:00 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737-800 (738) 3:00 Effective from 2026-05-21
Daily 09:10 Grand Rapids (GRR) 10:17 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737-800 (738) 3:07 Effective 2026-01-06 through 2026-01-19
Tue 09:10 Grand Rapids (GRR) 10:17 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737 MAX 9 (7M9) 3:07 Operates only on 2026-01-20
Daily 09:10 Grand Rapids (GRR) 10:17 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737-800 (738) 3:07 Effective 2026-01-21 through 2026-02-03
Thu 09:10 Grand Rapids (GRR) 10:17 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737 MAX 9 (7M9) 3:07 Operates only on 2026-02-05
Mon-Wed,Fri-Sun 09:10 Grand Rapids (GRR) 10:17 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737-800 (738) 3:07 Effective 2026-02-06 through 2026-02-11
Wed 09:20 Grand Rapids (GRR) 10:27 Denver (DEN) United Airlines UA 2648 Non-stop Boeing 737-800 (738) 3:07 Operates only on 2026-02-04
Mon-Fri 15:25 Grand Rapids (GRR) 16:35 Denver (DEN) United Airlines UA 2745 Non-stop Boeing 737-800 (738) 3:10 Effective 2026-03-05 through 2026-03-27
Sat 15:25 Grand Rapids (GRR) 16:36 Denver (DEN) United Airlines UA 2745 Non-stop Airbus A320 (320) 3:11 Effective 2026-03-07 through 2026-03-28
Sun 15:31 Grand Rapids (GRR) 16:41 Denver (DEN) United Airlines UA 2745 Non-stop Boeing 737-800 (738) 3:10 Effective 2026-03-08 through 2026-03-22
Daily 15:42 Grand Rapids (GRR) 16:42 Denver (DEN) United Airlines UA 2745 Non-stop Boeing 737-800 (738) 3:00 Effective 2026-03-29 through 2026-04-29
Daily 15:45 Grand Rapids (GRR) 16:38 Denver (DEN) United Airlines UA 2745 Non-stop Boeing 737-800 (738) 2:53 Effective from 2026-04-30
Wed 15:25 Grand Rapids (GRR) 16:42 Denver (DEN) United Airlines UA 4716 Non-stop Embraer EMB 175 (E7W) 3:17 Operates only on 2026-02-04
Non-Direct Flights:
Daily 09:00 Grand Rapids (GRR) 14:23 Denver (DEN) United Airlines UA 1113 1-stop Airbus A320 (320) 7:23 Effective from 2026-04-30
Daily 09:43 Grand Rapids (GRR) 14:23 Denver (DEN) United Airlines UA 1113 1-stop Airbus A320 (320) 6:40 Effective 2026-03-29 through 2026-04-29

A domestic route departing from the Grand Rapids airport (GRR) and arriving at Denver airport (DEN).
The flight distance is 1012 miles, or 1628 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 2:53 and 3:17.

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA646

15:25

Grand Rapids (GRR)

16:30

Denver (DEN)

Effective 2026-01-06 through 2026-02-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:05, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA646

15:25

Grand Rapids (GRR)

16:30

Denver (DEN)

Effective 2026-02-05 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:05, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1658

09:00

Grand Rapids (GRR)

10:06

Denver (DEN)

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

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 3:06, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1658

09:00

Grand Rapids (GRR)

10:07

Denver (DEN)

Effective 2026-03-10 through 2026-03-24

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:07, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA2617

15:35

Grand Rapids (GRR)

16:39

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:04, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2645

15:25

Grand Rapids (GRR)

16:31

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:06, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2648

08:00

Grand Rapids (GRR)

09:07

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:07, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2648

08:00

Grand Rapids (GRR)

09:07

Denver (DEN)

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:07, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA2648

09:00

Grand Rapids (GRR)

10:10

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:10, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2648

09:00

Grand Rapids (GRR)

10:00

Denver (DEN)

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

United Airlines UA2648

09:00

Grand Rapids (GRR)

10:00

Denver (DEN)

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

United Airlines UA2648

09:10

Grand Rapids (GRR)

10:17

Denver (DEN)

Effective 2026-01-06 through 2026-01-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:07, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2648

09:10

Grand Rapids (GRR)

10:17

Denver (DEN)

Operates only on 2026-01-20

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:07, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2648

09:10

Grand Rapids (GRR)

10:17

Denver (DEN)

Effective 2026-01-21 through 2026-02-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:07, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2648

09:10

Grand Rapids (GRR)

10:17

Denver (DEN)

Operates only on 2026-02-05

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:07, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2648

09:10

Grand Rapids (GRR)

10:17

Denver (DEN)

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

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 3:07, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2648

09:20

Grand Rapids (GRR)

10:27

Denver (DEN)

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:07, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2745

15:25

Grand Rapids (GRR)

16:35

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:10, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2745

15:25

Grand Rapids (GRR)

16:36

Denver (DEN)

Effective 2026-03-07 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:11, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA2745

15:31

Grand Rapids (GRR)

16:41

Denver (DEN)

Effective 2026-03-08 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2745

15:42

Grand Rapids (GRR)

16:42

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

United Airlines UA2745

15:45

Grand Rapids (GRR)

16:38

Denver (DEN)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:53, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA4716

15:25

Grand Rapids (GRR)

16:42

Denver (DEN)

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:17, non-stop
Embraer EMB 175 (E7W)

Non-Direct Flights:

United Airlines UA1113

09:00

Grand Rapids (GRR)

14:23

Denver (DEN)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:23, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1113

09:43

Grand Rapids (GRR)

14:23

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:40, 1-stop
Airbus A320 (320)

A domestic route departing from the Grand Rapids airport (GRR) and arriving at Denver airport (DEN).
The flight distance is 1012 miles, or 1628 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 2:53 and 3:17.

All GRR-DEN flights

All United Airlines flights

Return (DEN-GRR) flights

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