About 1 in 7 DL 1479 flights from Columbus arrived 15+ minutes late, diverted or cancelled over the past year (14%); 2.5% were cancelled. The typical flight landed 13 minutes early.
DL 1479: CMH → ATL
Scheduled to leave Columbus at 10:02 a.m. local time. Over the past year it arrived on time 86% of the time (317 flights), worse than other DL flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 50 | 78% |
| Tuesday | 48 | 85% |
| Wednesday | 48 | 94% |
| Thursday | 49 | 92% |
| Friday | 49 | 86% |
| Saturday | 23 | 87% |
| Sunday | 50 | 80% |
Why it was late
All flights CMH → ATL · Connecting off DL 1479? Check the risk
DL 1479: ATL → CMH
Scheduled to leave Atlanta at 7:25 a.m. local time. Over the past year it arrived on time 87% of the time (283 flights), in line with other DL flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 45 | 80% |
| Tuesday | 44 | 86% |
| Wednesday | 44 | 93% |
| Thursday | 46 | 96% |
| Friday | 46 | 85% |
| Saturday | 13 | — |
| Sunday | 45 | 87% |
Why it was late
All flights ATL → CMH · Connecting off DL 1479? Check the risk
Questions
How often is DL 1479 from CMH to ATL late?
Delta Air Lines 1479 from Columbus, OH to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 317 scheduled flights between September 2025 and August 2026. 2.5% were cancelled.
How often is DL 1479 from ATL to CMH late?
Delta Air Lines 1479 from Atlanta, GA to Columbus, OH arrived 15 or more minutes late, was diverted or was cancelled on 13% of 283 scheduled flights between September 2025 and August 2026. 2.5% 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.