ON TIMEBOARD

DL 1001 on time

Delta Air Lines 1001: Atlanta to Jacksonville at 9:45 p.m. (past 12 months)

On time
68%
284 flights · likely 62–73%
Cancelled
0.7%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+59 min
average delay
Similar flights
68%
DL, same route & hour

About 1 in 3 DL 1001 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (32%); 0.7% were cancelled. The typical flight landed 1 minutes early.

DL 1001: ATL → JAX

Scheduled to leave Atlanta at 9:45 p.m. local time. Over the past year it arrived on time 68% of the time (284 flights), in line with other DL flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 93% on time (27 flights)93SepOct 2025: 87% on time (30 flights)87OctNov 2025: 57% on time (30 flights)57NovDec 2025: 82% on time (28 flights)82DecJan 2026: 83% on time (24 flights)83JanFeb 2026: 68% on time (22 flights)68FebMar 2026: 62% on time (21 flights)62MarApr 2026: 64% on time (25 flights)64AprMay 2026: 43% on time (21 flights)43MayJun 2026: 61% on time (18 flights)61JunJul 2026: 40% on time (20 flights)40JulAug 2026: 56% on time (18 flights)56Aug

By day of week

DayFlightsOn time
Monday5370%
Tuesday2875%
Wednesday2685%
Thursday5074%
Friday5258%
Saturday2471%
Sunday5157%

Why it was late

Airline (crew, maintenance, ops) 51%Late inbound plane 25%Air traffic & airport (NAS) 14%Severe weather 10%

All flights ATL → JAX · Connecting off DL 1001? Check the risk

Questions

How often is DL 1001 from ATL to JAX late?

Delta Air Lines 1001 from Atlanta, GA to Jacksonville, FL arrived 15 or more minutes late, was diverted or was cancelled on 32% of 284 scheduled flights between September 2025 and August 2026. 0.7% 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.