ON TIMEBOARD

DL 2577 on time

Delta Air Lines 2577: Detroit to Newark at 10:20 a.m.; Newark to Detroit at 1:00 p.m. (past 12 months). Figures below the title are for DTW → EWR, its busiest leg

On time
79%
362 flights · likely 74–83%
Cancelled
3.3%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+73 min
average delay
Similar flights
78%
DL, same route & hour

About 1 in 5 DL 2577 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (21%); 3.3% were cancelled. The typical flight landed 9 minutes early.

DL 2577: DTW → EWR

Scheduled to leave Detroit at 10:20 a.m. local time. Over the past year it arrived on time 79% of the time (362 flights), in line with other DL flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (28 flights)93SepOct 2025: 87% on time (30 flights)87OctNov 2025: 77% on time (30 flights)77NovDec 2025: 58% on time (31 flights)58DecJan 2026: 61% on time (31 flights)61JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 84% on time (31 flights)84MarApr 2026: 90% on time (30 flights)90AprMay 2026: 68% on time (31 flights)68MayJun 2026: 87% on time (30 flights)87JunJul 2026: 81% on time (31 flights)81JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5277%
Tuesday5281%
Wednesday5279%
Thursday5287%
Friday5178%
Saturday5178%
Sunday5271%

Why it was late

Airline (crew, maintenance, ops) 48%Late inbound plane 27%Air traffic & airport (NAS) 19%Severe weather 5%

All flights DTW → EWR · Connecting off DL 2577? Check the risk

DL 2577: EWR → DTW

Scheduled to leave Newark at 1:00 p.m. local time. Over the past year it arrived on time 79% of the time (362 flights), in line with other DL flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (28 flights)93SepOct 2025: 77% on time (30 flights)77OctNov 2025: 70% on time (30 flights)70NovDec 2025: 58% on time (31 flights)58DecJan 2026: 71% on time (31 flights)71JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 81% on time (31 flights)81MarApr 2026: 93% on time (30 flights)93AprMay 2026: 81% on time (31 flights)81MayJun 2026: 90% on time (30 flights)90JunJul 2026: 77% on time (31 flights)77JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday5275%
Tuesday5285%
Wednesday5281%
Thursday5285%
Friday5184%
Saturday5165%
Sunday5277%

Why it was late

Late inbound plane 47%Airline (crew, maintenance, ops) 43%Air traffic & airport (NAS) 7%Severe weather 3%

All flights EWR → DTW · Connecting off DL 2577? Check the risk

Questions

How often is DL 2577 from DTW to EWR late?

Delta Air Lines 2577 from Detroit, MI to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 21% of 362 scheduled flights between September 2025 and August 2026. 3.3% were cancelled.

How often is DL 2577 from EWR to DTW late?

Delta Air Lines 2577 from Newark, NJ to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 21% of 362 scheduled flights between September 2025 and August 2026. 2.8% 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.