Flight OddsDL5310 RDU → DCA
Delta Air Lines · Raleigh/Durham, NC to Washington, DC · 351 flights observed, 2025-07-01 to 2026-06-30 · 227 mi
On-time arrival
48%
Median delay
+16 min
90th percentile
+79 min
Cancellation rate
3%
How often is DL5310 on time?
Across 351 flights on RDU → DCA from 2025-07-01 to 2026-06-30, DL5310 arrived within 15 minutes of schedule 48% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +79 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 164 | 48% |
| 16-30 min | 63 | 19% |
| 31-60 min | 59 | 17% |
| 61-120 min | 35 | 10% |
| 2+ hrs | 18 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 48% | +36 min |
| 2025-08 | 31 | 74% | +9 min |
| 2025-09 | 29 | 83% | +3 min |
| 2025-10 | 31 | 42% | +21 min |
| 2025-11 | 26 | 31% | +39 min |
| 2025-12 | 28 | 54% | +19 min |
| 2026-01 | 29 | 41% | +44 min |
| 2026-02 | 28 | 32% | +47 min |
| 2026-03 | 30 | 37% | +37 min |
| 2026-04 | 30 | 43% | +25 min |
| 2026-05 | 26 | 42% | +27 min |
| 2026-06 | 26 | 50% | +47 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 46% |
| Tue | 51 | 51% |
| Wed | 48 | 48% |
| Thu | 48 | 33% |
| Fri | 49 | 39% |
| Sat | 42 | 74% |
| Sun | 49 | 51% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…