About 1 in 3 DL 4648 flights from Kansas City arrived 15+ minutes late, diverted or cancelled over the past year (30%); 4.3% were cancelled. The typical flight landed 6 minutes early.
DL 4648: MCI → RDU
Scheduled to leave Kansas City at 7:59 p.m. local time, operated by Endeavor Air as 9E 4648. Over the past year it arrived on time 70% of the time (349 flights), in line with other DL flights on the route at that hour (71%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 73% |
| Tuesday | 50 | 70% |
| Wednesday | 50 | 74% |
| Thursday | 50 | 70% |
| Friday | 50 | 68% |
| Saturday | 49 | 78% |
| Sunday | 49 | 59% |
Why it was late
All flights MCI → RDU · Connecting off DL 4648? Check the risk
Questions
How often is DL 4648 from MCI to RDU late?
Delta Air Lines 4648 from Kansas City, MO to Raleigh/Durham, NC arrived 15 or more minutes late, was diverted or was cancelled on 30% of 349 scheduled flights between September 2025 and August 2026. 4.3% 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.