Austin Straubel International Airport (GRB) delays & on-time performance
Green Bay, Wisconsin · 10 nonstop destinations · 5 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at GRB right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
77%
arrived < 15 min late
Cancelled
3.3%
157 flights
Avg arrival delay
22 min
91 min when late
Departed on time
81%
avg taxi-out 18 min
Figures cover 4,824 departures from GRB; on-time is measured at arrival. Arrivals into GRB were on time 73% of the time.
Key facts
- Flights departing Austin Straubel International Airport (GRB) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3.3% were cancelled, and 10% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (86% on time); SkyWest Airlines was the least (75%).
- Departures scheduled around 6am did best (87% on time); around 5pm did worst (62%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (38%).
Most delayed routes from GRB
Lowest on-time arrival rates among regularly flown routes.
- ORD · Chicago73%2,698 flts
- DTW · Detroit81%875 flts
- MSP · Minneapolis82%867 flts
- ATL · Atlanta88%366 flts
Most reliable routes from GRB
Highest on-time arrival rates among regularly flown routes.
- ATL · Atlanta88%366 flts
- MSP · Minneapolis82%867 flts
- DTW · Detroit81%875 flts
- ORD · Chicago73%2,698 flts
Best airline at GRB
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 86% | 1.8% | 14 min | 4 | 556 |
| Envoy Air | 78% | 3.5% | 17 min | 3 | 1,384 |
| Republic Airways | 75% | 6.1% | 17 min | 3 | 165 |
| SkyWest Airlines | 75% | 3.2% | 26 min | 4 | 2,713 |
| Frontier Airlines | 67% | 0.0% | 22 min | 1 | 6 |
Best time to fly out of GRB
On-time arrival rate by scheduled departure hour (local time).
- 5am86%512 flts
- 6am87%842 flts
- 7am83%331 flts
- 8am74%155 flts
- 9am86%231 flts
- 10am72%298 flts
- 11am77%394 flts
- 12pm82%346 flts
- 1pm72%163 flts
- 2pm69%71 flts
- 3pm68%251 flts
- 4pm72%431 flts
- 5pm62%492 flts
- 6pm65%228 flts
- 8pm59%50 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)38%
- Late-arriving aircraft28%
- Air traffic control & airport congestion19%
- Extreme weather15%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.