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

Atlanta, GA (ATL) to Madison, WI (MSN) flight delay odds

83.0% of 1,025 official scheduled ATL-to-MSN flights arrived on time; 9.7% arrived at least 30 minutes late and 1.8% 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
83.0%arrived on time
9.7%30+ min late
1.8%cancelled
1,025scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.2%all scheduled flights
120+ minutes late1.0%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+2.6 mincompleted flights

Which departure time was most reliable for ATL to MSN?

Among qualifying ATL-to-MSN departure window results, Late morning had the highest on-time rate: 85.9% of 354 flights. Night was lowest at 80.8% across 333 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning35485.9%8.2%1.1%
Afternoon30481.2%10.2%2.6%
Night33380.8%11.4%1.5%

Which weekday was most reliable for ATL to MSN?

Among qualifying ATL-to-MSN weekday results, Wednesday had the highest on-time rate: 94.1% of 152 flights. Friday was lowest at 76.7% across 150 flights.

DayFlightsOn time30+ minCancelled
Monday15480.5%12.3%0.6%
Tuesday15581.3%15.5%0.6%
Wednesday15294.1%2.0%0.7%
Thursday15180.8%9.9%0.0%
Friday15076.7%14.0%2.7%
Saturday11586.1%8.7%3.5%
Sunday14882.4%4.7%4.7%

Which airline was most reliable for ATL to MSN?

Only Delta Air Lines met the ATL-to-MSN airline threshold: 83.0% of 1,025 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,02583.0%9.7%1.8%

Which month was most reliable for ATL to MSN?

Among qualifying ATL-to-MSN month results, October 2025 had the highest on-time rate: 90.9% of 88 flights. July 2025 was lowest at 74.1% across 85 flights.

MonthFlightsOn time30+ minCancelled
July 20258574.1%18.8%0.0%
August 20258785.1%11.5%0.0%
September 20258289.0%4.9%0.0%
October 20258890.9%3.4%0.0%
November 20258485.7%8.3%2.4%
December 20257978.5%12.7%3.8%
January 20268481.0%9.5%4.8%
February 20267879.5%11.5%1.3%
March 20269279.3%12.0%1.1%
April 20269085.6%6.7%1.1%
May 20269082.2%7.8%5.6%
June 20268684.9%9.3%1.2%

What drove ATL to MSN delay minutes?

Airline was the largest recorded ATL-to-MSN delay category, accounting for 56.3% of 9,096 BTS-attributed delay minutes during July 2025–June 2026.

Airline56.3%
Late aircraft21.5%
National airspace16.3%
Weather5.9%
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.