ATL to GRB flight delays & on-time performance
Nonstop flights from Hartsfield Jackson Atlanta International Airport to Austin Straubel International Airport · 774 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ATL or GRB right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Atlanta (ATL) to Green Bay (GRB) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.9% were cancelled, and 5% arrived an hour or more late.
- Delta Air Lines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 10pm did best (85% on time); around 9pm did worst (75%).
- Tuesday was the most reliable day to fly (92% on time) and Sunday the least (59%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (44%).
Which airline is most on time from ATL to GRB?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 77% | 1.9% | 12 min | 5.1% | 366 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9pm75%318 flights
- 10pm85%46 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%3.8% cancelled
- Tuesday92%0.0% cancelled
- Wednesday84%0.0% cancelled
- Thursday75%0.0% cancelled
- Friday76%0.0% cancelled
- Saturday77%3.7% cancelled
- Sunday59%5.8% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)44%
- Late-arriving aircraft28%
- Air traffic control & airport congestion21%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)57%
- Extreme weather43%
- Air traffic control & airport congestion0%
- Security0%
ATL to GRB: common questions
- How often are ATL to GRB flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Atlanta to Green Bay cancelled?
- 1.9% of scheduled flights were cancelled (7 of 366).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 44 min behind schedule on average, and 5.1% of flights were an hour or more late.
- How long is taxi time at ATL?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: GRB to ATL — 88% on time
More flights from Atlanta
More flights to Green Bay
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ATL → GRB, nonstop flights by US airlines that report to the DOT. How we calculate this.