GRB Today

Combined OTP
Flights Today
Major Delays
Dep 30+ min late
Best Window
12pm - 3pm
87% OTP

What This Means for You

Delay data is currently unavailable for GRB.

If you can choose your departure time: midday flights (12pm - 3pm) run at 87%. Late morning (9am - 12pm) drops to 58%. That is a 29-point difference from the same airport on the same day.

General Mitchell International Airport (MKE) is 107 miles away and running 73% today. If your route is available from both airports, MKE is the better bet right now.

GRB Flight Board

Live departures and arrivals at Austin Straubel International Airport.

Status Airline Flight Destination Sched Updated Gate
No flights match your search.
No flight data available.

Pick Your Window

Midday vs Late Morning is a 29-point swing at GRB. The midday block runs at 87%. If you have any say in your departure time, this is the biggest thing you can control.

5am - 9am
Early Morning
63%
Risky
9am - 12pm
Late Morning
58%
Risky
12pm - 3pm
Midday
87%
Best window
3pm - 6pm
Afternoon
59%
Risky
6pm - 10pm
Evening
70%
Decent
25
63
100
100
25
50
100
100
60
50
50
78
59
40
80
100
12a 1 2 3 4 5 6 7 8 9 10 11 12p 1 2 3 4 5 6 7 8 9 10 11

Through the Day

vs Last Week

Down 7 points from last week (79% vs 86%). Arrivals down 7 points too. Fri was the worst day, Wed the best.

Dep OTP
79%
-7%
Last week: 86%
Arr OTP
66%
-7%
Last week: 73%

The Bigger Picture

GRB has been bouncing between 30% and 100%. Best day was Feb 19 at 100%. Worst was Apr 2 at 30%. The norm is 74-80%, which is just how GRB runs.

About GRB Delays

Austin Straubel International Airport has averaged 79% on-time departures this week, making it moderately reliable. Performance varies by time of day and weather conditions.

Austin Straubel International Airport is one of 179 FAA-monitored US airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 5 minutes, with historical trends available for the past 90 days.

Nearby alternatives include MKE (General Mitchell International Airport) and MSN (Dane County Regional Truax Field). When GRB is experiencing delays, these airports may offer better on-time performance.

Early morning departures from Austin Straubel International Airport typically have the highest on-time rates. Delays tend to accumulate throughout the day as cascading effects from earlier disruptions compound. Check the 24-hour trend chart above for today's pattern.

Source: FAA. Updated every 5 minutes.