Flight OddsDelta Air Lines · Raleigh/Durham, NC to Cincinnati, OH · 308 flights observed, 2025-07-01 to 2026-06-30 · 390 mi
DL4911 covers more than one route in the data window — the stats below are for RDU → CVG, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL4911 on time?
Across 308 flights on RDU → CVG from 2025-07-01 to 2026-06-30, DL4911 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +53 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 238 | 78% |
| 16-30 min | 14 | 5% |
| 31-60 min | 28 | 9% |
| 61-120 min | 16 | 5% |
| 2+ hrs | 10 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 54% | +41 min |
| 2025-08 | 25 | 80% | +4 min |
| 2025-09 | 26 | 92% | -12 min |
| 2025-10 | 27 | 93% | -7 min |
| 2025-11 | 24 | 92% | -10 min |
| 2025-12 | 17 | 65% | +19 min |
| 2026-01 | 21 | 86% | -4 min |
| 2026-02 | 22 | 68% | +16 min |
| 2026-03 | 30 | 80% | +4 min |
| 2026-04 | 30 | 77% | +5 min |
| 2026-05 | 31 | 74% | +3 min |
| 2026-06 | 27 | 70% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 78% |
| Tue | 51 | 73% |
| Wed | 50 | 76% |
| Thu | 50 | 82% |
| Fri | 48 | 85% |
| Sat | 14 | 79% |
| Sun | 44 | 73% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…