ON TIMEBOARD

DL 1235 on time

Delta Air Lines 1235: Atlanta to Lexington at 5:59 p.m. (past 12 months)

On time
74%
162 flights · likely 67–80%
Cancelled
3.1%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+68 min
average delay
Similar flights
76%
DL, same route & hour

About 1 in 4 DL 1235 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (26%); 3.1% were cancelled. The typical flight landed 8 minutes early.

DL 1235: ATL → LEX

Scheduled to leave Atlanta at 5:59 p.m. local time. Over the past year it arrived on time 74% of the time (162 flights), in line with other DL flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: 90% on time (21 flights)90MarApr 2026: 77% on time (26 flights)77AprMay 2026: 69% on time (29 flights)69MayJun 2026: 81% on time (27 flights)81JunJul 2026: 54% on time (28 flights)54JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday2580%
Tuesday2475%
Wednesday2483%
Thursday2483%
Friday2458%
Saturday17—
Sunday2458%

Why it was late

Airline (crew, maintenance, ops) 50%Late inbound plane 28%Air traffic & airport (NAS) 18%Severe weather 4%

All flights ATL → LEX · Connecting off DL 1235? Check the risk

Questions

How often is DL 1235 from ATL to LEX late?

Delta Air Lines 1235 from Atlanta, GA to Lexington, KY arrived 15 or more minutes late, was diverted or was cancelled on 26% of 162 scheduled flights between September 2025 and August 2026. 3.1% 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.