Green Bay Austin Straubel International in June 2025

84.9%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 June 2025, reporting carriers scheduled 438 domestic departures from Green Bay Austin Straubel International (GRB). 84.9% left less than 15 minutes late and 77.2% reached their destination on time; 0.5% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so GRB departures were 13.5 points above the national departure figure.

A year earlier, in June 2024, the airport had 373 departures with 76.7% leaving on time: a change of +8.2 points, with flights up 17%.

Flights arriving at GRB that month were on time 70.5% of the time (437 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 52%, national aviation system 24% and late-arriving aircraft 20%.

On time 77.2%
Arrived 15+ minutes late 22.4%
Cancelled 0.5%
Diverted 0.0%

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

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

Measure	Jun 2025	Jun 2024	GRB, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	84.9%	76.7%	78.7%	71.4%
Arrived on time	77.2%	70.2%	74.5%	70.3%
Cancelled	0.5%	1.6%	3.3%	1.6%
Average departure delay (late minutes only)	14.5 min	22.7 min	19.8 min	22.1 min
Scheduled departures a day	15	12	13	20,386
Scheduled departures	438	373	4,824	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	258	59%	80.2%	10.4 min	0.0%
MQ Envoy Air	116	26%	68.1%	9.9 min	0.0%
DL Delta Air Lines	30	7%	86.7%	2.7 min	3.3%
YX Republic Airline	25	6%	80.0%	3.8 min	0.0%
F9 Frontier Airlines	9	2%	66.7%	12.3 min	11.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRB–ORD	Green Bay to Chicago	275	72.0%	9.0 min	0.0%
GRB–MSP	Green Bay to Minneapolis	67	83.6%	15.6 min	0.0%
GRB–DTW	Green Bay to Detroit	57	91.2%	7.4 min	0.0%
GRB–ATL	Green Bay to Atlanta	30	86.7%	2.7 min	3.3%
GRB–DEN	Green Bay to Denver	9	66.7%	12.3 min	11.1%

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), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	52.2%	31.6%	3,686
Late-arriving aircraft	19.7%	40.6%	1,388
National Aviation System	24.4%	20.9%	1,720
Extreme weather	3.7%	6.9%	264
Security	0.0%	0.2%	0

7,058 delay minutes on 98 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 June 2025?

84.9% of 438 scheduled domestic departures left less than 15 minutes late, and 77.2% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 76.7% of 373 departures left on time and 1.6% were cancelled, against 84.9% and 0.5% in June 2025.

Provenance

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