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

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

77.3% of 4,871 official scheduled ATL-to-DTW flights arrived on time; 14.1% 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
77.3%arrived on time
14.1%30+ min late
0.8%cancelled
4,871scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.3%all scheduled flights
120+ minutes late2.5%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+8.3 mincompleted flights

Which departure time was most reliable for ATL to DTW?

Among qualifying ATL-to-DTW departure window results, Early morning had the highest on-time rate: 89.1% of 855 flights. Night was lowest at 64.6% across 635 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning85589.1%6.4%1.2%
Late morning92278.4%13.0%1.2%
Afternoon1,40678.2%13.2%0.9%
Evening1,05373.1%17.6%0.3%
Night63564.6%22.5%0.6%

Which weekday was most reliable for ATL to DTW?

Among qualifying ATL-to-DTW weekday results, Wednesday had the highest on-time rate: 85.3% of 668 flights. Sunday was lowest at 69.8% across 725 flights.

DayFlightsOn time30+ minCancelled
Monday72373.6%17.6%1.5%
Tuesday67478.6%13.8%0.0%
Wednesday66885.3%8.7%0.1%
Thursday71780.1%11.9%0.1%
Friday72676.0%15.2%0.6%
Saturday63878.4%13.2%0.6%
Sunday72569.8%18.2%2.6%

Which airline was most reliable for ATL to DTW?

Among qualifying ATL-to-DTW airline results, Delta Air Lines had the highest on-time rate: 79.0% of 3,698 flights. Frontier Airlines was lowest at 68.3% across 501 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines3,69879.0%13.0%0.5%
Spirit Airlines67274.7%16.1%2.1%
Frontier Airlines50168.3%20.4%1.4%

Which month was most reliable for ATL to DTW?

Among qualifying ATL-to-DTW month results, September 2025 had the highest on-time rate: 87.6% of 421 flights. July 2025 was lowest at 65.5% across 443 flights.

MonthFlightsOn time30+ minCancelled
July 202544365.5%23.5%0.2%
August 202544778.5%13.9%0.4%
September 202542187.6%6.4%0.2%
October 202542785.0%9.8%0.0%
November 202537582.1%12.5%1.3%
December 202537973.1%15.8%1.1%
January 202639575.4%14.4%2.5%
February 202635680.3%11.2%0.3%
March 202642269.4%19.9%1.9%
April 202642683.8%8.2%0.9%
May 202640368.2%20.3%0.2%
June 202637778.8%13.0%0.8%

What drove ATL to DTW delay minutes?

Airline was the largest recorded ATL-to-DTW delay category, accounting for 45.6% of 66,541 BTS-attributed delay minutes during July 2025–June 2026.

Airline45.6%
Late aircraft33.9%
National airspace15.5%
Weather4.7%
Security0.3%
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.