Green Bay Austin Straubel International in March 2026

65.3%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 2026, reporting carriers scheduled 490 domestic departures from Green Bay Austin Straubel International (GRB). 65.3% left less than 15 minutes late and 59.2% reached their destination on time; 10.0% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so GRB departures were 7.5 points below the national departure figure.

A year earlier, in March 2025, the airport had 304 departures with 80.3% leaving on time: a change of −15.0 points, with flights up 61%.

Flights arriving at GRB that month were on time 57.2% of the time (491 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, national aviation system 31% and late-arriving aircraft 19%.

On time 59.2%
Arrived 15+ minutes late 30.4%
Cancelled 10.0%
Diverted 0.4%

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

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

Measure	Mar 2026	Mar 2025	GRB, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	65.3%	80.3%	78.7%	72.8%
Arrived on time	59.2%	77.6%	74.5%	73.2%
Cancelled	10.0%	1.3%	3.3%	2.9%
Average departure delay (late minutes only)	33.6 min	21.0 min	19.8 min	20.3 min
Scheduled departures a day	16	10	13	20,403
Scheduled departures	490	304	4,824	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	304	62%	57.9%	30.0 min	9.9%
MQ Envoy Air	124	25%	58.9%	15.5 min	11.3%
DL Delta Air Lines	60	12%	65.0%	24.9 min	8.3%
YX Republic Airline	2	0%	100.0%	2.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRB–ORD	Green Bay to Chicago	278	55.8%	25.5 min	12.2%
GRB–DTW	Green Bay to Detroit	90	62.2%	18.9 min	6.7%
GRB–MSP	Green Bay to Minneapolis	89	64.0%	27.5 min	6.7%
GRB–ATL	Green Bay to Atlanta	32	68.8%	40.6 min	9.4%
GRB–CMX	Green Bay to Hancock/Houghton	1	0.0%	—	0.0%

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), March 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	39.7%	33.5%	5,768
Late-arriving aircraft	18.6%	39.3%	2,702
National Aviation System	30.6%	21.0%	4,458
Extreme weather	10.2%	5.9%	1,478
Security	1.0%	0.2%	139

14,545 delay minutes on 149 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 2026?

65.3% of 490 scheduled domestic departures left less than 15 minutes late, and 59.2% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 80.3% of 304 departures left on time and 1.3% were cancelled, against 65.3% and 10.0% in March 2026.

Provenance

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