Green Bay Austin Straubel International in September 2023

88.0%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In September 2023, reporting carriers scheduled 343 domestic departures from Green Bay Austin Straubel International (GRB). 88.0% left less than 15 minutes late and 86.6% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so GRB departures were 7.5 points above the national departure figure.

Flights arriving at GRB that month were on time 83.3% of the time (342 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 69%, national aviation system 15% and late-arriving aircraft 11%.

On time 86.6%
Arrived 15+ minutes late 13.4%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from GRB in September 2023, judged by arrival at the destination.

September 2023 against a year earlier, the airport's year and the nation

Measure	Sep 2023	Year earlier	GRB, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	88.0%	—	78.7%	80.5%
Arrived on time	86.6%	—	74.5%	80.1%
Cancelled	0.0%	—	3.3%	1.2%
Average departure delay (late minutes only)	14.8 min	—	19.8 min	14.1 min
Scheduled departures a day	11	—	13	18,978
Scheduled departures	343	—	4,824	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	223	65%	87.4%	4.4 min	0.0%
YX Republic Airline	49	14%	85.7%	2.8 min	0.0%
DL Delta Air Lines	30	9%	93.3%	7.8 min	0.0%
MQ Envoy Air	22	6%	81.8%	1.3 min	0.0%
F9 Frontier Airlines	17	5%	76.5%	-2.8 min	0.0%
9E Endeavor Air	2	1%	50.0%	45.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRB–ORD	Green Bay to Chicago	132	81.1%	17.3 min	0.0%
GRB–MSP	Green Bay to Minneapolis	85	92.9%	-9.0 min	0.0%
GRB–DTW	Green Bay to Detroit	79	88.6%	-3.7 min	0.0%
GRB–ATL	Green Bay to Atlanta	30	93.3%	7.8 min	0.0%
GRB–DEN	Green Bay to Denver	17	76.5%	-2.8 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), September 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	69.2%	36.4%	3,300
Late-arriving aircraft	10.9%	38.3%	518
National Aviation System	14.6%	19.9%	695
Extreme weather	5.4%	5.1%	256
Security	0.0%	0.2%	0

4,769 delay minutes on 46 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left GRB on time in September 2023?

88.0% of 343 scheduled domestic departures left less than 15 minutes late, and 86.6% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for GRB · methodology · corrections.