About 1 in 5 DL 2599 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (19%); 2.8% were cancelled. The typical flight landed 7 minutes early.
DL 2599: ATL → MSN
Scheduled to leave Atlanta at 3:15 p.m. local time. Over the past year it arrived on time 81% of the time (321 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 86% |
| Tuesday | 50 | 78% |
| Wednesday | 50 | 94% |
| Thursday | 49 | 80% |
| Friday | 48 | 71% |
| Saturday | 25 | 72% |
| Sunday | 48 | 79% |
Why it was late
All flights ATL → MSN · Connecting off DL 2599? Check the risk
DL 2599: MSN → ATL
Scheduled to leave Madison at 5:15 p.m. local time. Over the past year it arrived on time 82% of the time (315 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from Madison to Atlanta (100% of days). Delta Air Lines's last MSN–ATL flight was cancelled 3.3% of the time, against 1.6% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 5:48 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 90% |
| Tuesday | 50 | 78% |
| Wednesday | 50 | 94% |
| Thursday | 49 | 84% |
| Friday | 48 | 73% |
| Saturday | 20 | 70% |
| Sunday | 47 | 77% |
Why it was late
All flights MSN → ATL · Connecting off DL 2599? Check the risk
Questions
How often is DL 2599 from ATL to MSN late?
Delta Air Lines 2599 from Atlanta, GA to Madison, WI arrived 15 or more minutes late, was diverted or was cancelled on 19% of 321 scheduled flights between September 2025 and August 2026. 2.8% were cancelled.
How often is DL 2599 from MSN to ATL late?
Delta Air Lines 2599 from Madison, WI to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 18% of 315 scheduled flights between September 2025 and August 2026. 2.9% 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.