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

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

78.1% of 366 official scheduled ATL-to-GRB flights arrived on time; 10.1% 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
78.1%arrived on time
10.1%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 late4.9%all scheduled flights
120+ minutes late1.1%all scheduled flights
Diverted1.4%did not reach as scheduled
Average arrival+4.0 mincompleted flights

Which departure time was most reliable for ATL to GRB?

Only Night met the ATL-to-GRB departure window threshold: 78.0% of 363 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Night36378.0%10.2%1.9%

Which weekday was most reliable for ATL to GRB?

Among qualifying ATL-to-GRB weekday results, Tuesday had the highest on-time rate: 92.5% of 53 flights. Sunday was lowest at 61.5% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5273.1%15.4%3.8%
Tuesday5392.5%3.8%0.0%
Wednesday5184.3%7.8%0.0%
Thursday5278.8%7.7%0.0%
Friday5276.9%11.5%0.0%
Saturday5479.6%11.1%3.7%
Sunday5261.5%13.5%5.8%

Which airline was most reliable for ATL to GRB?

Only Delta Air Lines met the ATL-to-GRB airline threshold: 78.1% of 366 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines36678.1%10.1%1.9%

Which month was most reliable for ATL to GRB?

Among qualifying ATL-to-GRB month results, September 2025 had the highest on-time rate: 90.0% of 30 flights. March 2026 was lowest at 59.4% across 32 flights.

MonthFlightsOn time30+ minCancelled
July 20253187.1%12.9%0.0%
August 20253183.9%6.5%0.0%
September 20253090.0%0.0%0.0%
October 20253183.9%3.2%0.0%
November 20253080.0%13.3%0.0%
December 20253073.3%10.0%0.0%
January 20263180.6%9.7%3.2%
February 20262878.6%3.6%3.6%
March 20263259.4%9.4%9.4%
April 20263183.9%6.5%3.2%
May 20263161.3%32.3%0.0%
June 20263076.7%13.3%3.3%

What drove ATL to GRB delay minutes?

Airline was the largest recorded ATL-to-GRB delay category, accounting for 45.9% of 3,117 BTS-attributed delay minutes during July 2025–June 2026.

Airline45.9%
Late aircraft22.2%
National airspace23.0%
Weather8.9%
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.