GRB KGRB → ORD KORD

Austin Straubel International Airport → Chicago O'Hare International Airport

🇺🇸 Green Bay, US → 🇺🇸 Chicago, US

Departure Airport

Austin Straubel International Airport

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

Destination Airport

Chicago O'Hare International Airport

ICAO Code:: KORD
IATA Code:: ORD
City:: 🇺🇸 Chicago
Country:: US
Elevation:: 680 ft

6

Operators

23

Daily Flights

174

Miles

49m

Flight Duration

Route Map

Operating Airlines

Envoy Air ICAO: ENY • IATA: MQ

GoJet ICAO: GJS • IATA: G7

SkyWest ICAO: SKW • IATA: OO

Republic ICAO: RPA • IATA: YX

NetJets Aviation ICAO: EJA • IATA: 1I

UNKNOWN

Airline	ICAO	IATA
Envoy Air	`ENY`	`MQ`
GoJet	`GJS`	`G7`
SkyWest	`SKW`	`OO`
Republic	`RPA`	`YX`
NetJets Aviation	`EJA`	`1I`
UNKNOWN	`-`	`-`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	131	14%
Tuesday	125	14%
Wednesday	136	15%
Thursday	133	15%
Friday	123	13%
Saturday	133	15%
Sunday	133	15%

Pattern Analysis

23 Daily Flights:

ENY3507 SKW5322 ENY3579 GJS4543 SKW5363 ENY3807 SKW5271 ENY3933 GJS4409 SKW5365 ENY3493 ENY3580 ENY3631 ENY3633 ENY4142 GJS4387 RPA3595 ENY3827 ENY4069 ENY4232 GJS4469 GJS4533 GJS4541

Data Points: 914
API observations used to build this analysis

Weekdays: 648 flights
Weekend: 266 flights

Business Route More active on weekdays

All Flight Routes

6 Routes

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
Envoy Air `ENY` / `MQ`	ENY3507 ENY3579 ENY3807 ENY3933 ENY3493 ENY3580 ENY3631 ENY3633 ENY4142 ENY3827 ENY4069 ENY4232	E170	09:43 9:43 AM (Representative)	M T W T F S S	Dec 11, 2025	Active
GoJet `GJS` / `G7`	GJS4543 GJS4409 GJS4387 GJS4469 GJS4533 GJS4541	CRJ7	08:00 8:00 AM (Representative)	M T W T F S S	Dec 11, 2025	Active
NetJets Aviation `EJA` / `1I`	-	C700	-	M T W T F S S	Sep 26, 2025	Active
Republic `RPA` / `YX`	RPA3595	E75L	15:51 3:51 PM (Representative)	M T W T F S S	Dec 1, 2025	Active
SkyWest `SKW` / `OO`	SKW5322 SKW5363 SKW5271 SKW5365	CRJ2	13:35 1:35 PM (Representative)	M T W T F S S	Dec 11, 2025	Active
UNKNOWN	-	C56X	-	M T W T F S S	Nov 20, 2025	Active

Total Routes: 6

Active Routes: 6

Unique Airlines: 6

Aircraft Types: 6

Spotted Departure Times

Departure Time	Operator	ICAO	IATA
08:00 8:00 AM	GoJet	`GJS`	`G7`
09:43 9:43 AM	Envoy Air	`ENY`	`MQ`
13:35 1:35 PM	SkyWest	`SKW`	`OO`
15:51 3:51 PM	Republic	`RPA`	`YX`

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 4

Time Range:
08:00 - 15:51

These are typical departure times observed from actual flights. Times may vary by season and schedule changes.