Green Bay Austin Straubel International in January 2025

78.2%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 January 2025, reporting carriers scheduled 284 domestic departures from Green Bay Austin Straubel International (GRB). 78.2% left less than 15 minutes late and 77.8% reached their destination on time; 1.1% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so GRB departures were 1.1 points below the national departure figure.

A year earlier, in January 2024, the airport had 332 departures with 70.2% leaving on time: a change of +8.0 points, with flights down 14%.

Flights arriving at GRB that month were on time 73.7% of the time (285 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 64%, extreme weather 15% and late-arriving aircraft 13%.

On time 77.8%
Arrived 15+ minutes late 20.8%
Cancelled 1.1%
Diverted 0.4%

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

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

Measure	Jan 2025	Jan 2024	GRB, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	78.2%	70.2%	78.7%	79.3%
Arrived on time	77.8%	66.0%	74.5%	78.6%
Cancelled	1.1%	6.0%	3.3%	3.0%
Average departure delay (late minutes only)	18.7 min	35.6 min	19.8 min	14.0 min
Scheduled departures a day	10	11	13	17,992
Scheduled departures	284	332	4,824	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	249	88%	77.5%	6.2 min	0.8%
DL Delta Air Lines	31	11%	77.4%	3.4 min	3.2%
YX Republic Airline	4	1%	100.0%	-11.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRB–ORD	Green Bay to Chicago	111	66.7%	18.7 min	1.8%
GRB–DTW	Green Bay to Detroit	84	81.0%	2.8 min	0.0%
GRB–MSP	Green Bay to Minneapolis	58	94.8%	-13.7 min	0.0%
GRB–ATL	Green Bay to Atlanta	31	77.4%	3.4 min	3.2%

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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	63.8%	36.2%	3,207
Late-arriving aircraft	12.9%	34.7%	647
National Aviation System	8.1%	19.9%	407
Extreme weather	15.2%	9.1%	762
Security	0.0%	0.2%	0

5,023 delay minutes on 59 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 January 2025?

78.2% of 284 scheduled domestic departures left less than 15 minutes late, and 77.8% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 70.2% of 332 departures left on time and 6.0% were cancelled, against 78.2% and 1.1% in January 2025.

Provenance

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