Green Bay Austin Straubel International in January 2026

73.2%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 2026, reporting carriers scheduled 343 domestic departures from Green Bay Austin Straubel International (GRB). 73.2% left less than 15 minutes late and 67.9% reached their destination on time; 1.2% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so GRB departures were 2.4 points below the national departure figure.

A year earlier, in January 2025, the airport had 284 departures with 78.2% leaving on time: a change of −5.0 points, with flights up 21%.

Flights arriving at GRB that month were on time 58.7% of the time (341 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, late-arriving aircraft 24% and extreme weather 17%.

On time 67.9%
Arrived 15+ minutes late 30.3%
Cancelled 1.2%
Diverted 0.6%

Every scheduled departure from GRB in January 2026, judged by arrival at the destination.

January 2026 against a year earlier, the airport's year and the nation

Measure	Jan 2026	Jan 2025	GRB, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	73.2%	78.2%	78.7%	75.6%
Arrived on time	67.9%	77.8%	74.5%	75.3%
Cancelled	1.2%	1.1%	3.3%	4.7%
Average departure delay (late minutes only)	28.7 min	18.7 min	19.8 min	16.7 min
Scheduled departures a day	11	10	13	18,133
Scheduled departures	343	284	4,824	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	198	58%	66.2%	26.6 min	1.0%
MQ Envoy Air	91	27%	64.8%	17.7 min	1.1%
DL Delta Air Lines	54	16%	79.6%	-0.6 min	1.9%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRB–ORD	Green Bay to Chicago	164	62.8%	23.9 min	1.2%
GRB–DTW	Green Bay to Detroit	88	67.0%	24.2 min	0.0%
GRB–MSP	Green Bay to Minneapolis	60	73.3%	17.4 min	1.7%
GRB–ATL	Green Bay to Atlanta	31	87.1%	-7.3 min	3.2%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	45.1%	37.3%	4,232
Late-arriving aircraft	23.9%	35.0%	2,246
National Aviation System	14.3%	18.0%	1,345
Extreme weather	16.7%	9.6%	1,569
Security	0.0%	0.1%	0

9,392 delay minutes on 104 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 2026?

73.2% of 343 scheduled domestic departures left less than 15 minutes late, and 67.9% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 78.2% of 284 departures left on time and 1.1% were cancelled, against 73.2% and 1.2% in January 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; 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.