BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
GRB→ATL

Green Bay, WI (GRB) to Atlanta, GA (ATL) flight delay odds

86.3% of 366 official scheduled GRB-to-ATL flights arrived on time; 8.5% arrived at least 30 minutes late and 1.9% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
86.3%arrived on time
8.5%30+ min late
1.9%cancelled
366scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.6%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+1.8 mincompleted flights

Which departure time was most reliable for GRB to ATL?

Only Early morning met the GRB-to-ATL departure window threshold: 86.3% of 364 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Early morning36486.3%8.5%1.9%

Which weekday was most reliable for GRB to ATL?

Among qualifying GRB-to-ATL weekday results, Tuesday had the highest on-time rate: 88.7% of 53 flights. Sunday was lowest at 82.7% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5282.7%11.5%3.8%
Tuesday5388.7%3.8%3.8%
Wednesday5288.5%9.6%0.0%
Thursday5188.2%7.8%0.0%
Friday5288.5%9.6%0.0%
Saturday5485.2%9.3%0.0%
Sunday5282.7%7.7%5.8%

Which airline was most reliable for GRB to ATL?

Only Delta Air Lines met the GRB-to-ATL airline threshold: 86.3% of 366 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines36686.3%8.5%1.9%

Which month was most reliable for GRB to ATL?

Among qualifying GRB-to-ATL month results, September 2025 had the highest on-time rate: 100.0% of 30 flights. March 2026 was lowest at 68.8% across 32 flights.

MonthFlightsOn time30+ minCancelled
July 20253193.5%3.2%0.0%
August 20253196.8%3.2%0.0%
September 202530100.0%0.0%0.0%
October 20253190.3%6.5%0.0%
November 20253083.3%6.7%0.0%
December 20253070.0%30.0%0.0%
January 20263187.1%3.2%3.2%
February 20262889.3%7.1%3.6%
March 20263268.8%18.8%9.4%
April 20263190.3%3.2%3.2%
May 20263183.9%9.7%0.0%
June 20263083.3%10.0%3.3%

What drove GRB to ATL delay minutes?

Airline was the largest recorded GRB-to-ATL delay category, accounting for 61.2% of 4,897 BTS-attributed delay minutes during July 2025–June 2026.

Airline61.2%
Late aircraft8.3%
National airspace27.3%
Weather3.2%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.