Grand Rapids to Denver (GRR-DEN): nonstop flights and who flies them

United Airlines and Frontier Airlines fly nonstop between Grand Rapids (GRR) and Denver (DEN), roughly 19 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. United Airlines and Frontier Airlines fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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19
Nonstop flights a week
1,012 mi
Nonstop distance
Free
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Grand Rapids to Denver flight schedule

Scheduled nonstop departures for GRR to DEN, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Grand Rapids (GRR) to Denver (DEN)
Date Flight Airline Departs GRR Arrives DEN Duration Aircraft
UA 2648United Airlines08:0008:542h 54m739
UA 2745United Airlines15:4516:372h 52m738
UA 2648United Airlines08:0008:542h 54m739
UA 2745United Airlines15:4516:372h 52m738
UA 2648United Airlines08:0008:542h 54m739
UA 2745United Airlines15:4516:372h 52m738
F9 1247Frontier Airlines16:3717:403h 3m32N
UA 2648United Airlines08:0008:542h 54m739
UA 2745United Airlines15:4516:372h 52m738
UA 2648United Airlines08:0008:542h 54m739
UA 2745United Airlines15:4516:382h 53m738
UA 2648United Airlines08:0008:542h 54m739
UA 2745United Airlines15:4516:382h 53m738
F9 1247Frontier Airlines16:2417:182h 54m32N
UA 2648United Airlines08:0008:542h 54m739
F9 1247Frontier Airlines11:5912:522h 53m32Q
UA 2745United Airlines15:4516:382h 53m738

Showing all 17 scheduled GRR to DEN departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every GRR to DEN date on the interactive map

The full GRR to DEN nonstop schedule

United Airlines and Frontier Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full GRR to DEN nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each GRR to DEN departure, checked against live inventory so you know what is open before you book.

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Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See GRR to DEN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Grand Rapids to Denver nonstop

Carriers operating GRR to DEN nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See GRR to DEN on the interactive map →

Frequently asked questions about GRR to DEN

How far is Denver from Grand Rapids?
GRR to DEN covers about 1,012 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from GRR to DEN?
United Airlines and Frontier Airlines fly the route nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the GRR to DEN schedule rather than a space claim.
How many flights a week are there from GRR to DEN?
About 19 nonstop flights a week run between Grand Rapids and Denver in the current schedule, operated by United Airlines and Frontier Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from GRR to DEN depart?
Scheduled GRR to DEN nonstops in the next 7 days with service leave between 08:00 and 16:37, local time at Grand Rapids. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on GRR to DEN?
Not on this route: none of United Airlines and Frontier Airlines is a carrier 2LNR reads inventory for. The page carries the full GRR to DEN nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full GRR to DEN nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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