ON TIMEBOARD

GRB → ATL on time

Austin Straubel (Green Bay, WI) to Atlanta Hartsfield-Jackson (Atlanta, GA). Every scheduled flight, September 2025 to August 2026.

On time
86%
arrived < 15 min late
Cancelled
1.9%
366 flights
Typical arrival
−13 min
median vs schedule
When late
+105 min
average delay
Flights / day
1
1 airline

86% of flights from Green Bay to Atlanta arrived on time over the past 12 months. That is better than the typical U.S. route. 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for GRB → ATL: when a flight was late, it was under 45 minutes late 52% of the time. About 1 in 24 flights landed an hour or more late, and 1 in 46 three hours or more; 1.9% were cancelled outright.

Share of all 366 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines36686%1.9%−13 min4.1%+105 minDelta Air Lines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

By month

Each calendar month pooled over 2023–2026.

40%70%100%Jan: too few flights (93 flights)JanFeb: too few flights (85 flights)FebMar: too few flights (96 flights)MarApr: too few flights (95 flights)AprMay: too few flights (93 flights)MayJun: too few flights (90 flights)JunJul: too few flights (93 flights)JulAug: too few flights (93 flights)AugSep: too few flights (90 flights)SepOct: too few flights (93 flights)OctNov: too few flights (89 flights)NovDec: too few flights (92 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday53——
Tuesday52——
Wednesday52——
Thursday51——
Friday52——
Saturday54——
Sunday52——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 55%Air traffic & airport (NAS) 31%Late inbound plane 9%Severe weather 4%

Cancellations: airline 4 · weather 3

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 26915:19 a.m.36486%1.9%−13 minDelta Air Lines

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Green Bay or Atlanta. None has been clearly more reliable than GRB → ATL.

RouteFlightsOn timeCancelled
GRB → ATL (this route)36686%1.9%
ATW → ATL Appleton to Atlanta Hartsfield-Jackson36680%2.2%

Questions

How often are flights from GRB to ATL on time?

86% of 366 scheduled flights from Green Bay, WI to Atlanta, GA arrived within 15 minutes of schedule between September 2025 and August 2026. 1.9% were cancelled.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.