OnTimeRoutes
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Delta Air Lines DTW to ATL on-time performance

Delta Air Lines nonstop flights from Detroit to Atlanta · Aug 2025 – Jul 2026

On-time arrivals
81%
arrived < 15 min late
Cancelled
0.5%
18 flights
Avg arrival delay
14 min
68 min when late
Rank on route
#1 of 3
route average 79% on time

Key facts

  • Delta Air Lines flights on DTW to ATL arrived on time 81% of the time in Aug 2025 – Jul 2026.
  • 0.5% were cancelled, and 6% arrived an hour or more late.
  • That ranks #1 of 3 airlines on this route, which averaged 79% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (56%).

On-time trend by month

50%75%100%July 2025: 70.7% on time, 0.0% cancelledJul ’25August 2025: 84.5% on time, 0.3% cancelledAug ’25September 2025: 91.5% on time, 0.0% cancelledSep ’25October 2025: 88.6% on time, 0.0% cancelledOct ’25November 2025: 80.4% on time, 0.7% cancelledNov ’25December 2025: 70.5% on time, 0.7% cancelledDec ’25January 2026: 69.6% on time, 1.7% cancelledJan ’26February 2026: 86.1% on time, 0.0% cancelledFeb ’26March 2026: 79.1% on time, 1.0% cancelledMar ’26April 2026: 91.0% on time, 0.9% cancelledApr ’26May 2026: 79.2% on time, 0.3% cancelledMay ’26June 2026: 87.7% on time, 0.3% cancelledJun ’26July 2026: 68.1% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)56%
  • Late-arriving aircraft22%
  • Air traffic control & airport congestion19%
  • Extreme weather3%
  • Security0%

Other airlines on DTW to ATL

3,742 Delta Air Lines flights tracked on this route; 18 cancelled, 9 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.