ON TIMEBOARD

DL 2566 on time

Delta Air Lines 2566: Detroit to Newark at 7:00 a.m.; Newark to Detroit at 9:39 a.m. (past 12 months). Figures below the title are for DTW → EWR, its busiest leg

On time
87%
342 flights · likely 83–91%
Cancelled
2.9%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+65 min
average delay
Similar flights
87%
DL, same route & hour

About 1 in 8 DL 2566 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (13%); 2.9% were cancelled. The typical flight landed 9 minutes early.

DL 2566: DTW → EWR

Scheduled to leave Detroit at 7:00 a.m. local time. Over the past year it arrived on time 87% of the time (342 flights), in line with other DL flights on the route at that hour (87%). 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: 83% on time (29 flights)83NovDec 2025: 63% on time (19 flights)63DecJan 2026: 85% on time (27 flights)85JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 87% on time (31 flights)87MarApr 2026: 100% on time (30 flights)100AprMay 2026: 93% on time (27 flights)93MayJun 2026: 97% on time (29 flights)97JunJul 2026: 77% on time (30 flights)77JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday5184%
Tuesday5090%
Wednesday5090%
Thursday5090%
Friday4986%
Saturday4388%
Sunday4984%

Why it was late

Airline (crew, maintenance, ops) 57%Air traffic & airport (NAS) 42%Severe weather 1%

All flights DTW → EWR · Connecting off DL 2566? Check the risk

DL 2566: EWR → DTW

Scheduled to leave Newark at 9:39 a.m. local time. Over the past year it arrived on time 80% of the time (342 flights), in line with other DL flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 61% on time (31 flights)61OctNov 2025: 69% on time (29 flights)69NovDec 2025: 58% on time (19 flights)58DecJan 2026: 81% on time (27 flights)81JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 81% on time (31 flights)81MarApr 2026: 93% on time (30 flights)93AprMay 2026: 96% on time (27 flights)96MayJun 2026: 86% on time (29 flights)86JunJul 2026: 77% on time (30 flights)77JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday5176%
Tuesday5086%
Wednesday5088%
Thursday5086%
Friday4973%
Saturday4367%
Sunday4984%

Why it was late

Airline (crew, maintenance, ops) 38%Late inbound plane 36%Air traffic & airport (NAS) 21%Severe weather 5%

All flights EWR → DTW · Connecting off DL 2566? Check the risk

Questions

How often is DL 2566 from DTW to EWR late?

Delta Air Lines 2566 from Detroit, MI to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 13% of 342 scheduled flights between September 2025 and August 2026. 2.9% were cancelled.

How often is DL 2566 from EWR to DTW late?

Delta Air Lines 2566 from Newark, NJ to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 20% of 342 scheduled flights between September 2025 and August 2026. 3.2% 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.