Green Bay Austin Straubel International in October 2025

89.1%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 October 2025, reporting carriers scheduled 412 domestic departures from Green Bay Austin Straubel International (GRB). 89.1% left less than 15 minutes late and 82.5% reached their destination on time; 0.5% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so GRB departures were 9.1 points above the national departure figure.

A year earlier, in October 2024, the airport had 370 departures with 91.4% leaving on time: a change of −2.3 points, with flights up 11%.

Flights arriving at GRB that month were on time 86.7% of the time (415 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 52%, late-arriving aircraft 25% and national aviation system 22%.

On time 82.5%
Arrived 15+ minutes late 17.0%
Cancelled 0.5%
Diverted 0.0%

Every scheduled departure from GRB in October 2025, judged by arrival at the destination.

October 2025 against a year earlier, the airport's year and the nation

Measure	Oct 2025	Oct 2024	GRB, 12 months to Jul 2026	All reported flights, Oct 2025
Departed on time	89.1%	91.4%	78.7%	80.0%
Arrived on time	82.5%	90.0%	74.5%	79.1%
Cancelled	0.5%	0.0%	3.3%	0.5%
Average departure delay (late minutes only)	7.4 min	5.8 min	19.8 min	13.9 min
Scheduled departures a day	14	12	13	20,195
Scheduled departures	412	370	4,824	605,844

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	195	47%	78.5%	2.8 min	0.0%
MQ Envoy Air	120	29%	84.2%	-3.4 min	1.7%
DL Delta Air Lines	62	15%	90.3%	-7.6 min	0.0%
YX Republic Airline	35	8%	85.7%	3.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRB–ORD	Green Bay to Chicago	213	77.0%	4.3 min	0.9%
GRB–DTW	Green Bay to Detroit	84	88.1%	-6.6 min	0.0%
GRB–MSP	Green Bay to Minneapolis	81	87.7%	-5.3 min	0.0%
GRB–ATL	Green Bay to Atlanta	31	90.3%	-4.1 min	0.0%
GRB–PHX	Green Bay to Phoenix	3	100.0%	-7.7 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), October 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2025	Minutes
Air carrier	52.2%	34.0%	1,796
Late-arriving aircraft	24.9%	39.7%	856
National Aviation System	21.5%	22.9%	740
Extreme weather	1.5%	3.3%	51
Security	0.0%	0.1%	0

3,443 delay minutes on 70 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 October 2025?

89.1% of 412 scheduled domestic departures left less than 15 minutes late, and 82.5% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 91.4% of 370 departures left on time and 0.0% were cancelled, against 89.1% and 0.5% in October 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2025; 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.