ON TIMEBOARD

DL 525 on time

Delta Air Lines 525: Atlanta to New York at 12:30 p.m. (past 12 months)

On time
71%
335 flights · likely 66–76%
Cancelled
3.0%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+54 min
average delay
Similar flights
72%
DL, same route & hour

About 1 in 3 DL 525 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (29%); 3.0% were cancelled. The typical flight landed 2 minutes early.

DL 525: ATL → LGA

Scheduled to leave Atlanta at 12:30 p.m. local time. Over the past year it arrived on time 71% of the time (335 flights), in line with other DL flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 81% on time (27 flights)81SepOct 2025: 73% on time (30 flights)73OctNov 2025: 57% on time (30 flights)57NovDec 2025: 42% on time (19 flights)42DecJan 2026: 81% on time (27 flights)81JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 81% on time (31 flights)81MarApr 2026: 81% on time (26 flights)81AprMay 2026: 73% on time (26 flights)73MayJun 2026: 72% on time (29 flights)72JunJul 2026: 58% on time (31 flights)58JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday5163%
Tuesday5074%
Wednesday4971%
Thursday4967%
Friday5078%
Saturday3778%
Sunday4967%

Why it was late

Air traffic & airport (NAS) 55%Airline (crew, maintenance, ops) 33%Late inbound plane 12%

All flights ATL → LGA · Connecting off DL 525? Check the risk

Questions

How often is DL 525 from ATL to LGA late?

Delta Air Lines 525 from Atlanta, GA to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 29% of 335 scheduled flights between September 2025 and August 2026. 3.0% 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.