GRB Today
What This Means for You
Delay data is currently unavailable for GRB.
If you can choose your departure time: early morning flights (5am - 9am) run at 91%. Late morning (9am - 12pm) drops to 61%. That is a 30-point difference from the same airport on the same day.
General Mitchell International Airport (MKE) is 107 miles away and running 75% 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 |
|---|---|---|---|---|---|---|
Pick Your Window
Early Morning vs Late Morning is a 30-point swing at GRB. The early morning block runs at 91%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
vs Last Week
This week is 10 points better on departures (81% vs 71%). Tue was the worst day, Fri the best.
The Bigger Picture
GRB has been bouncing between 50% and 97%. Best day was Jul 11 at 97%. Worst was Aug 6 at 50%. The norm is 77-83%, which is just how GRB runs.
About GRB Delays
Austin Straubel International Airport has averaged 81% 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.