ON TIMEBOARD

DL 1034 on time

Delta Air Lines 1034: Atlanta to New York at 9:00 a.m. (past 12 months)

On time
89%
281 flights · likely 84–92%
Cancelled
0.4%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+50 min
average delay
Similar flights
87%
DL, same route & hour

About 1 in 9 DL 1034 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (11%); 0.4% were cancelled. The typical flight landed 10 minutes early.

DL 1034: ATL → JFK

Scheduled to leave Atlanta at 9:00 a.m. local time. Over the past year it arrived on time 89% of the time (281 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%Jul 2025: 100% on time (31 flights)100JulAug 2025: 100% on time (31 flights)100AugSep 2025: 97% on time (30 flights)97SepOct 2025: 97% on time (31 flights)97OctNov 2025: 86% on time (29 flights)86NovDec 2025: 84% on time (19 flights)84DecMar 2026: 86% on time (21 flights)86MarApr 2026: 89% on time (28 flights)89AprMay 2026: 81% on time (31 flights)81MayJun 2026: 93% on time (30 flights)93JunJul 2026: 74% on time (31 flights)74JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday4283%
Tuesday4193%
Wednesday4185%
Thursday4193%
Friday4195%
Saturday3488%
Sunday4183%

Why it was late

Airline (crew, maintenance, ops) 49%Air traffic & airport (NAS) 32%Late inbound plane 17%Severe weather 2%

All flights ATL → JFK · Connecting off DL 1034? Check the risk

Questions

How often is DL 1034 from ATL to JFK late?

Delta Air Lines 1034 from Atlanta, GA to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 11% of 281 scheduled flights between September 2025 and August 2026. 0.4% 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.