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

Atlanta, GA (ATL) to Dayton, OH (DAY) flight delay odds

83.7% of 1,400 official scheduled ATL-to-DAY flights arrived on time; 8.9% arrived at least 30 minutes late and 1.6% 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
83.7%arrived on time
8.9%30+ min late
1.6%cancelled
1,400scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.9%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+0.7 mincompleted flights

Which departure time was most reliable for ATL to DAY?

Among qualifying ATL-to-DAY departure window results, Early morning had the highest on-time rate: 88.0% of 142 flights. Afternoon was lowest at 81.6% across 599 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning14288.0%6.3%0.7%
Late morning28687.4%6.3%2.1%
Afternoon59981.6%9.7%1.8%
Night35382.7%11.3%1.4%

Which weekday was most reliable for ATL to DAY?

Among qualifying ATL-to-DAY weekday results, Saturday had the highest on-time rate: 88.0% of 166 flights. Sunday was lowest at 79.8% across 203 flights.

DayFlightsOn time30+ minCancelled
Monday20980.9%10.0%1.4%
Tuesday21084.3%10.0%0.5%
Wednesday20587.3%6.8%0.0%
Thursday20483.3%10.3%1.0%
Friday20383.3%8.4%2.5%
Saturday16688.0%7.2%2.4%
Sunday20379.8%9.4%3.9%

Which airline was most reliable for ATL to DAY?

Only Delta Air Lines met the ATL-to-DAY airline threshold: 83.7% of 1,400 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,40083.7%8.9%1.6%

Which month was most reliable for ATL to DAY?

Among qualifying ATL-to-DAY month results, September 2025 had the highest on-time rate: 89.8% of 127 flights. July 2025 was lowest at 72.2% across 115 flights.

MonthFlightsOn time30+ minCancelled
July 202511572.2%20.9%0.0%
August 202511284.8%10.7%0.9%
September 202512789.8%6.3%0.0%
October 202514688.4%6.8%0.0%
November 202513587.4%4.4%3.7%
December 20259480.9%5.3%1.1%
January 20269780.4%8.2%7.2%
February 202610687.7%7.5%0.9%
March 202612076.7%13.3%3.3%
April 202612082.5%12.5%1.7%
May 202611983.2%5.0%0.8%
June 202610988.1%6.4%0.9%

What drove ATL to DAY delay minutes?

Airline was the largest recorded ATL-to-DAY delay category, accounting for 58.0% of 12,191 BTS-attributed delay minutes during July 2025–June 2026.

Airline58.0%
Late aircraft25.7%
National airspace8.9%
Weather7.1%
Security0.2%
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.