Green Bay Austin Straubel International in July 2025

74.3%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 July 2025, reporting carriers scheduled 343 domestic departures from Green Bay Austin Straubel International (GRB). 74.3% left less than 15 minutes late and 70.6% reached their destination on time; 1.2% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so GRB departures were 4.6 points above the national departure figure.

A year earlier, in July 2024, the airport had 285 departures with 78.6% leaving on time: a change of −4.3 points, with flights up 20%.

Flights arriving at GRB that month were on time 64.1% of the time (340 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 32%, extreme weather 25% and air carrier 24%.

On time 70.6%
Arrived 15+ minutes late 28.3%
Cancelled 1.2%
Diverted 0.0%

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

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

Measure	Jul 2025	Jul 2024	GRB, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	74.3%	78.6%	78.7%	69.7%
Arrived on time	70.6%	74.4%	74.5%	69.0%
Cancelled	1.2%	1.8%	3.3%	2.5%
Average departure delay (late minutes only)	24.2 min	18.9 min	19.8 min	24.3 min
Scheduled departures a day	11	10	13	21,048
Scheduled departures	343	285	4,824	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	178	52%	73.6%	21.8 min	0.6%
MQ Envoy Air	121	35%	57.9%	25.4 min	2.5%
DL Delta Air Lines	31	9%	93.5%	13.1 min	0.0%
F9 Frontier Airlines	8	2%	87.5%	9.1 min	0.0%
YX Republic Airline	5	1%	100.0%	-7.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRB–ORD	Green Bay to Chicago	265	65.7%	23.7 min	1.5%
GRB–MSP	Green Bay to Minneapolis	37	83.8%	15.1 min	0.0%
GRB–ATL	Green Bay to Atlanta	31	93.5%	13.1 min	0.0%
GRB–DEN	Green Bay to Denver	8	87.5%	9.1 min	0.0%
GRB–DTW	Green Bay to Detroit	2	50.0%	38.5 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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	24.2%	31.1%	2,166
Late-arriving aircraft	31.9%	40.8%	2,850
National Aviation System	19.4%	20.7%	1,730
Extreme weather	24.5%	7.3%	2,188
Security	0.1%	0.1%	6

8,940 delay minutes on 97 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 July 2025?

74.3% of 343 scheduled domestic departures left less than 15 minutes late, and 70.6% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 78.6% of 285 departures left on time and 1.8% were cancelled, against 74.3% and 1.2% in July 2025.

Provenance

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