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Delta Air Lines / MSY → ATL

DL 3128 on time

Delta Air Lines 3128: New Orleans to Atlanta at 9:05 a.m.; Atlanta to New Orleans at 7:30 a.m. (past 12 months). Figures below the title are for MSY → ATL, its busiest leg

On time
89%
330 flights · likely 86–92%
Cancelled
3.6%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+82 min
average delay
Similar flights
91%
DL, same route & hour

About 1 in 9 DL 3128 flights from New Orleans arrived 15+ minutes late, diverted or cancelled over the past year (11%); 3.6% were cancelled. The typical flight landed 10 minutes early.

DL 3128: MSY → ATL

Scheduled to leave New Orleans at 9:05 a.m. local time. Over the past year it arrived on time 89% of the time (330 flights), in line with other DL flights on the route at that hour (91%). Last seen in the data Aug 30, 2026.

Month by month

40%70%100%Sep 2025: 96% on time (26 flights)96SepOct 2025: 92% on time (26 flights)92OctNov 2025: 84% on time (25 flights)84NovDec 2025: 70% on time (27 flights)70DecJan 2026: 96% on time (27 flights)96JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 87% on time (31 flights)87MarApr 2026: 90% on time (30 flights)90AprMay 2026: 94% on time (31 flights)94MayJun 2026: 96% on time (27 flights)96JunJul 2026: 89% on time (27 flights)89JulAug 2026: 96% on time (25 flights)96Aug

By day of week

DayFlightsOn time
Monday5192%
Tuesday5288%
Wednesday5192%
Thursday5190%
Friday5194%
Saturday2387%
Sunday5180%

Why it was late

Airline (crew, maintenance, ops) 51%Late inbound plane 43%Air traffic & airport (NAS) 5%Severe weather 1%

All flights MSY → ATL · Connecting off DL 3128? Check the risk

DL 3128: ATL → MSY

Scheduled to leave Atlanta at 7:30 a.m. local time. Over the past year it arrived on time 90% of the time (326 flights), in line with other DL flights on the route at that hour (88%). Last seen in the data Aug 30, 2026.

Month by month

40%70%100%Sep 2025: 92% on time (26 flights)92SepOct 2025: 92% on time (26 flights)92OctNov 2025: 83% on time (23 flights)83NovDec 2025: 70% on time (27 flights)70DecJan 2026: 96% on time (27 flights)96JanFeb 2026: 96% on time (26 flights)96FebMar 2026: 87% on time (31 flights)87MarApr 2026: 90% on time (30 flights)90AprMay 2026: 94% on time (31 flights)94MayJun 2026: 93% on time (27 flights)93JunJul 2026: 89% on time (27 flights)89JulAug 2026: 92% on time (25 flights)92Aug

By day of week

DayFlightsOn time
Monday5192%
Tuesday5288%
Wednesday5190%
Thursday5092%
Friday5094%
Saturday2186%
Sunday5182%

Why it was late

Airline (crew, maintenance, ops) 52%Air traffic & airport (NAS) 29%Severe weather 14%Late inbound plane 4%

All flights ATL → MSY · Connecting off DL 3128? Check the risk

Questions

How often is DL 3128 from MSY to ATL late?

Delta Air Lines 3128 from New Orleans, LA to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 11% of 330 scheduled flights between September 2025 and August 2026. 3.6% were cancelled.

How often is DL 3128 from ATL to MSY late?

Delta Air Lines 3128 from Atlanta, GA to New Orleans, LA arrived 15 or more minutes late, was diverted or was cancelled on 10% of 326 scheduled flights between September 2025 and August 2026. 3.7% 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.