Green Bay Austin Straubel International in December 2024

74.0%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 December 2024, reporting carriers scheduled 269 domestic departures from Green Bay Austin Straubel International (GRB). 74.0% left less than 15 minutes late and 72.5% reached their destination on time; 2.6% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so GRB departures were 3.8 points below the national departure figure.

A year earlier, in December 2023, the airport had 308 departures with 92.2% leaving on time: a change of −18.2 points, with flights down 13%.

Flights arriving at GRB that month were on time 65.1% of the time (269 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 73%, extreme weather 18% and national aviation system 5%.

On time 72.5%
Arrived 15+ minutes late 24.9%
Cancelled 2.6%
Diverted 0.0%

Every scheduled departure from GRB in December 2024, judged by arrival at the destination.

December 2024 against a year earlier, the airport's year and the nation

Measure	Dec 2024	Dec 2023	GRB, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	74.0%	92.2%	78.7%	77.8%
Arrived on time	72.5%	89.3%	74.5%	78.1%
Cancelled	2.6%	0.0%	3.3%	0.7%
Average departure delay (late minutes only)	32.8 min	6.8 min	19.8 min	16.6 min
Scheduled departures a day	9	10	13	19,686
Scheduled departures	269	308	4,824	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	236	88%	72.5%	20.3 min	3.0%
DL Delta Air Lines	33	12%	72.7%	37.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRB–ORD	Green Bay to Chicago	80	71.3%	11.8 min	2.5%
GRB–MSP	Green Bay to Minneapolis	79	70.9%	34.5 min	3.8%
GRB–DTW	Green Bay to Detroit	78	75.6%	14.6 min	2.6%
GRB–ATL	Green Bay to Atlanta	31	71.0%	40.7 min	0.0%
GRB–SEA	Green Bay to Seattle	1	100.0%	-37.0 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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	72.8%	34.3%	6,031
Late-arriving aircraft	4.5%	40.2%	376
National Aviation System	4.6%	17.8%	380
Extreme weather	18.1%	7.5%	1,495
Security	0.0%	0.2%	0

8,282 delay minutes on 67 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 December 2024?

74.0% of 269 scheduled domestic departures left less than 15 minutes late, and 72.5% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 92.2% of 308 departures left on time and 0.0% were cancelled, against 74.0% and 2.6% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; 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.