Green Bay Austin Straubel International in March 2025

80.3%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 March 2025, reporting carriers scheduled 304 domestic departures from Green Bay Austin Straubel International (GRB). 80.3% left less than 15 minutes late and 77.6% reached their destination on time; 1.3% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so GRB departures were level with the national departure figure.

A year earlier, in March 2024, the airport had 392 departures with 86.7% leaving on time: a change of −6.4 points, with flights down 22%.

Flights arriving at GRB that month were on time 71.6% of the time (306 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 36%, extreme weather 31% and late-arriving aircraft 19%.

On time 77.6%
Arrived 15+ minutes late 21.1%
Cancelled 1.3%
Diverted 0.0%

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

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

Measure	Mar 2025	Mar 2024	GRB, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	80.3%	86.7%	78.7%	79.9%
Arrived on time	77.6%	87.0%	74.5%	79.3%
Cancelled	1.3%	0.3%	3.3%	1.2%
Average departure delay (late minutes only)	21.0 min	11.3 min	19.8 min	14.9 min
Scheduled departures a day	10	13	13	20,029
Scheduled departures	304	392	4,824	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	270	89%	76.7%	13.6 min	1.5%
DL Delta Air Lines	33	11%	84.8%	1.7 min	0.0%
YX Republic Airline	1	0%	100.0%	-42.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRB–ORD	Green Bay to Chicago	117	66.7%	26.8 min	0.9%
GRB–MSP	Green Bay to Minneapolis	82	86.6%	8.4 min	3.7%
GRB–DTW	Green Bay to Detroit	72	81.9%	-2.8 min	0.0%
GRB–ATL	Green Bay to Atlanta	33	84.8%	1.7 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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	35.8%	33.0%	2,366
Late-arriving aircraft	19.2%	39.2%	1,267
National Aviation System	13.9%	21.9%	918
Extreme weather	31.2%	5.9%	2,061
Security	0.0%	0.1%	0

6,612 delay minutes on 64 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 March 2025?

80.3% of 304 scheduled domestic departures left less than 15 minutes late, and 77.6% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 86.7% of 392 departures left on time and 0.3% were cancelled, against 80.3% and 1.3% in March 2025.

Provenance

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