Green Bay Austin Straubel International in September 2024

85.1%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 2024, reporting carriers scheduled 403 domestic departures from Green Bay Austin Straubel International (GRB). 85.1% left less than 15 minutes late and 85.6% reached their destination on time; 0.0% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so GRB departures were 0.7 points above the national departure figure.

A year earlier, in September 2023, the airport had 343 departures with 88.0% leaving on time: a change of −2.9 points, with flights up 17%.

Flights arriving at GRB that month were on time 78.2% of the time (404 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 59%, late-arriving aircraft 30% and national aviation system 9%.

On time 85.6%
Arrived 15+ minutes late 14.4%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from GRB in September 2024, judged by arrival at the destination.

September 2024 against a year earlier, the airport's year and the nation

Measure	Sep 2024	Sep 2023	GRB, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	85.1%	88.0%	78.7%	84.4%
Arrived on time	85.6%	86.6%	74.5%	83.9%
Cancelled	0.0%	0.0%	3.3%	0.6%
Average departure delay (late minutes only)	8.5 min	14.8 min	19.8 min	10.6 min
Scheduled departures a day	13	11	13	19,421
Scheduled departures	403	343	4,824	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	315	78%	82.9%	0.0 min	0.0%
MQ Envoy Air	57	14%	98.2%	-10.4 min	0.0%
DL Delta Air Lines	30	7%	90.0%	-1.7 min	0.0%
YX Republic Airline	1	0%	100.0%	-5.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRB–ORD	Green Bay to Chicago	211	82.9%	0.7 min	0.0%
GRB–DTW	Green Bay to Detroit	81	91.4%	-6.3 min	0.0%
GRB–MSP	Green Bay to Minneapolis	81	85.2%	-2.9 min	0.0%
GRB–ATL	Green Bay to Atlanta	30	90.0%	-1.7 min	0.0%

By scheduled departure hour

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	59.2%	38.6%	1,860
Late-arriving aircraft	29.5%	38.4%	926
National Aviation System	9.2%	18.2%	289
Extreme weather	2.2%	4.8%	69
Security	0.0%	0.1%	0

3,144 delay minutes on 58 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 2024?

85.1% of 403 scheduled domestic departures left less than 15 minutes late, and 85.6% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 88.0% of 343 departures left on time and 0.0% were cancelled, against 85.1% and 0.0% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; 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.