ON TIMEBOARD

DL 2856 on time

Delta Air Lines 2856: Detroit to Atlanta at 10:35 a.m. (past 12 months)

On time
86%
365 flights · likely 82–89%
Cancelled
0.3%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+68 min
average delay
Similar flights
86%
DL, same route & hour

About 1 in 7 DL 2856 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (14%); 0.3% were cancelled. The typical flight landed 9 minutes early.

DL 2856: DTW → ATL

Scheduled to leave Detroit at 10:35 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 (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 94% on time (31 flights)94OctNov 2025: 90% on time (30 flights)90NovDec 2025: 74% on time (31 flights)74DecJan 2026: 71% on time (31 flights)71JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 77% on time (31 flights)77MarApr 2026: 90% on time (30 flights)90AprMay 2026: 90% on time (31 flights)90MayJun 2026: 97% on time (30 flights)97JunJul 2026: 74% on time (31 flights)74JulAug 2026: 100% on time (31 flights)100Aug

By day of week

DayFlightsOn time
Monday5383%
Tuesday5281%
Wednesday5287%
Thursday5292%
Friday5283%
Saturday5290%
Sunday5288%

Why it was late

Airline (crew, maintenance, ops) 46%Late inbound plane 40%Air traffic & airport (NAS) 13%Severe weather 1%

All flights DTW → ATL · Connecting off DL 2856? Check the risk

Questions

How often is DL 2856 from DTW to ATL late?

Delta Air Lines 2856 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. 0.3% 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.