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

Detroit, MI (DTW) to Atlanta, GA (ATL) flight delay odds

78.2% of 4,881 official scheduled DTW-to-ATL flights arrived on time; 13.3% arrived at least 30 minutes late and 0.8% 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
78.2%arrived on time
13.3%30+ min late
0.8%cancelled
4,881scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.5%all scheduled flights
120+ minutes late3.0%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+8.3 mincompleted flights

Which departure time was most reliable for DTW to ATL?

Among qualifying DTW-to-ATL departure window results, Late morning had the highest on-time rate: 85.1% of 744 flights. Evening was lowest at 69.6% across 940 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,55484.9%8.0%1.1%
Late morning74485.1%9.8%0.4%
Afternoon1,39374.0%14.8%0.8%
Evening94069.6%21.0%0.7%
Night25072.4%19.6%0.4%

Which weekday was most reliable for DTW to ATL?

Among qualifying DTW-to-ATL weekday results, Wednesday had the highest on-time rate: 84.5% of 669 flights. Sunday was lowest at 72.0% across 724 flights.

DayFlightsOn time30+ minCancelled
Monday72372.5%17.0%1.1%
Tuesday67278.1%13.5%0.3%
Wednesday66984.5%9.1%0.1%
Thursday72083.1%10.3%0.0%
Friday73077.7%13.2%1.0%
Saturday64380.6%13.4%1.1%
Sunday72472.0%16.3%1.9%

Which airline was most reliable for DTW to ATL?

Among qualifying DTW-to-ATL airline results, Delta Air Lines had the highest on-time rate: 81.1% of 3,703 flights. Frontier Airlines was lowest at 64.3% across 501 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines3,70381.1%11.3%0.5%
Spirit Airlines67773.0%16.4%1.9%
Frontier Airlines50164.3%24.2%1.6%

Which month was most reliable for DTW to ATL?

Among qualifying DTW-to-ATL month results, September 2025 had the highest on-time rate: 89.7% of 426 flights. January 2026 was lowest at 68.0% across 397 flights.

MonthFlightsOn time30+ minCancelled
July 202544369.3%20.8%0.2%
August 202544479.5%12.2%0.5%
September 202542689.7%6.1%0.0%
October 202542886.0%8.6%0.2%
November 202537677.4%14.9%1.1%
December 202538069.2%20.0%1.3%
January 202639768.0%16.9%3.0%
February 202635881.0%10.9%0.3%
March 202642372.8%19.1%1.4%
April 202642884.3%7.7%0.7%
May 202640077.2%12.8%0.2%
June 202637883.6%9.8%0.8%

What drove DTW to ATL delay minutes?

Airline was the largest recorded DTW-to-ATL delay category, accounting for 42.5% of 76,341 BTS-attributed delay minutes during July 2025–June 2026.

Airline42.5%
Late aircraft35.3%
National airspace18.5%
Weather3.7%
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.