ON TIMEBOARD

DL 1611 on time

Delta Air Lines 1611: Detroit to Atlanta at 6:17 a.m. (past 12 months)

On time
86%
365 flights · likely 82–89%
Cancelled
0.8%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+72 min
average delay
Similar flights
84%
DL, same route & hour

About 1 in 7 DL 1611 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (14%); 0.8% were cancelled. The typical flight landed 8 minutes early.

DL 1611: DTW → ATL

Scheduled to leave Detroit at 6:17 a.m. local time. Over the past year it arrived on time 86% of the time (365 flights), in line with other DL flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 90% on time (31 flights)90OctNov 2025: 80% on time (30 flights)80NovDec 2025: 74% on time (31 flights)74DecJan 2026: 58% on time (31 flights)58JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 81% on time (31 flights)81MarApr 2026: 87% on time (30 flights)87AprMay 2026: 90% on time (31 flights)90MayJun 2026: 93% on time (30 flights)93JunJul 2026: 87% on time (31 flights)87JulAug 2026: 100% on time (31 flights)100Aug

By day of week

DayFlightsOn time
Monday5387%
Tuesday5281%
Wednesday5292%
Thursday5287%
Friday5288%
Saturday5285%
Sunday5281%

Why it was late

Airline (crew, maintenance, ops) 63%Air traffic & airport (NAS) 29%Late inbound plane 6%Severe weather 2%

All flights DTW → ATL · Connecting off DL 1611? Check the risk

Questions

How often is DL 1611 from DTW to ATL late?

Delta Air Lines 1611 from Detroit, MI to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 365 scheduled flights between September 2025 and August 2026. 0.8% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.