Green Bay to Denver Flights (GRB-DEN)

The Green Bay to Denver route connects Austin Straubel International Airport (GRB) in US with Denver International Airport (DEN) in US. This short-haul flight covers approximately 918 miles (1477 km). This route is operated by Frontier.

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Airport Information

Departure Airport

Austin Straubel International Airport

ICAO Code:: KGRB
IATA Code:: GRB
City:: 🇺🇸 Green Bay
Country:: US
Elevation:: 695 ft

Destination Airport

Denver International Airport

ICAO Code:: KDEN
IATA Code:: DEN
City:: 🇺🇸 Denver
Country:: US
Elevation:: 5431 ft

Route Statistics

Operator

Route Tracked

918

Miles

Flight Duration

Route Map

Operating Airlines

Airline	ICAO	IATA
Frontier	`FFT`	`F9`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	0	0%
Tuesday	1	50%
Wednesday	0	0%
Thursday	0	0%
Friday	0	0%
Saturday	1	50%
Sunday	0	0%

Pattern Analysis

Data Points: 2
API observations used to build this analysis

Weekdays: 1 flights
Weekend: 1 flights

Balanced Route Consistent schedule

All Flight Routes

1 Route

Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.

Airline	Flight Numbers	Aircraft Type	Typical Time	Days Active	Last Seen	Status
Frontier `FFT` / `F9`	-	A321	-	M T W T F S S	Aug 11, 2025	Active

Total Routes: 1

Active Routes: 1

Unique Airlines: 1

Aircraft Types: 1

Spotted Departure Times

No departure times available

Departure times will be populated as flight data is collected for this route.

Green Bay to Denver Flights

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