About 1 in 7 DL 1488 flights from Raleigh arrived 15+ minutes late, diverted or cancelled over the past year (13%); 0.6% were cancelled. The typical flight landed 11 minutes early.
DL 1488: RDU → ATL
Scheduled to leave Raleigh at 1:49 p.m. local time. Over the past year it arrived on time 87% of the time (157 flights), in line with other DL flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 23 | 83% |
| Tuesday | 22 | 86% |
| Wednesday | 22 | 86% |
| Thursday | 22 | 91% |
| Friday | 22 | 77% |
| Saturday | 23 | 96% |
| Sunday | 23 | 87% |
Why it was late
All flights RDU → ATL · Connecting off DL 1488? Check the risk
DL 1488: ATL → RDU
Scheduled to leave Atlanta at 11:14 a.m. local time. Over the past year it arrived on time 88% of the time (126 flights), better than other DL flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 19 | — |
| Tuesday | 18 | — |
| Wednesday | 18 | — |
| Thursday | 17 | — |
| Friday | 17 | — |
| Saturday | 18 | — |
| Sunday | 19 | — |
Why it was late
All flights ATL → RDU · Connecting off DL 1488? Check the risk
Questions
How often is DL 1488 from RDU to ATL late?
Delta Air Lines 1488 from Raleigh/Durham, NC to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 13% of 157 scheduled flights between September 2025 and August 2026. 0.6% were cancelled.
How often is DL 1488 from ATL to RDU late?
Delta Air Lines 1488 from Atlanta, GA to Raleigh/Durham, NC arrived 15 or more minutes late, was diverted or was cancelled on 12% of 126 scheduled flights between September 2025 and August 2026. 0.8% 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.