ON TIMEBOARD

DL 2831 on time

Delta Air Lines 2831: Atlanta to Louisville at 5:59 p.m. (past 12 months)

On time
82%
212 flights · likely 76–87%
Cancelled
0.5%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+76 min
average delay
Similar flights
82%
DL, same route & hour

About 1 in 6 DL 2831 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (18%); 0.5% were cancelled. The typical flight landed 8 minutes early.

DL 2831: ATL → SDF

Scheduled to leave Atlanta at 5:59 p.m. local time. Over the past year it arrived on time 82% of the time (212 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2025: 63% on time (24 flights)63AprMay 2025: 75% on time (28 flights)75MayJun 2025: too few flights (7 flights)JunDec 2025: too few flights (12 flights)DecJan 2026: 82% on time (17 flights)82JanFeb 2026: too few flights (10 flights)FebMar 2026: 79% on time (24 flights)79MarApr 2026: 86% on time (28 flights)86AprMay 2026: 83% on time (30 flights)83MayJun 2026: 87% on time (30 flights)87JunJul 2026: 73% on time (30 flights)73JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday3288%
Tuesday3194%
Wednesday3194%
Thursday3087%
Friday3083%
Saturday2875%
Sunday3053%

Why it was late

Airline (crew, maintenance, ops) 47%Late inbound plane 36%Air traffic & airport (NAS) 17%Severe weather 1%

All flights ATL → SDF · Connecting off DL 2831? Check the risk

Questions

How often is DL 2831 from ATL to SDF late?

Delta Air Lines 2831 from Atlanta, GA to Louisville, KY arrived 15 or more minutes late, was diverted or was cancelled on 18% of 212 scheduled flights between September 2025 and August 2026. 0.5% 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.