GRB Today

Combined OTP
Flights (Last 2 Hours)
Major Delays
Dep 30+ min late
Best Window
12pm - 3pm
100% 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 100%. Afternoon (3pm - 6pm) drops to 67%. That is a 33-point difference from the same airport on the same day.

General Mitchell International Airport (MKE) is 107 miles away and running 82% 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 Afternoon is a 33-point swing at GRB. The midday block runs at 100%. If you have any say in your departure time, this is the biggest thing you can control.

5am - 9am
Early Morning
89%
Best window
9am - 12pm
Late Morning
68%
Decent
12pm - 3pm
Midday
100%
Best window
3pm - 6pm
Afternoon
67%
Decent
6pm - 10pm
Evening
69%
Decent
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

Tracking about the same as last week. Departures at 80%, last week 82%. Arrivals down 9 points too. Mon was the worst day, Thu the best.

Dep OTP
80%
-2%
Last week: 82%
Arr OTP
63%
-9%
Last week: 72%

The Bigger Picture

GRB has been bouncing between 63% and 100%. Best day was Jun 3 at 100%. Worst was Jul 3 at 63%. The norm is 78-84%, which is just how GRB runs.

About GRB Delays

Austin Straubel International Airport has averaged 80% 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 airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 15 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 15 minutes.