Flight OddsRDU → BOS Delta Air Lines
Delta Air Lines · Raleigh/Durham, NC to Boston, MA · 1,573 flights, 2025-07-01 to 2026-06-30 · aggregated across 29 flight numbers
On-time arrival
81%
Median delay
-12 min
90th percentile
+59 min
Cancellation rate
3%
How on-time is Delta Air Lines from RDU to BOS?
Across every Delta Air Lines flight number on RDU → BOS (1,573 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -12 min; the worst 10% ran +59 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,232 | 81% |
| 16-30 min | 62 | 4% |
| 31-60 min | 84 | 5% |
| 61-120 min | 76 | 5% |
| 2+ hrs | 76 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 140 | 71% | +15 min |
| 2025-08 | 136 | 88% | -7 min |
| 2025-09 | 131 | 66% | +23 min |
| 2025-10 | 138 | 67% | +19 min |
| 2025-11 | 126 | 82% | +4 min |
| 2025-12 | 138 | 83% | +6 min |
| 2026-01 | 108 | 86% | -6 min |
| 2026-02 | 97 | 87% | -7 min |
| 2026-03 | 116 | 84% | +5 min |
| 2026-04 | 126 | 87% | -2 min |
| 2026-05 | 142 | 86% | -1 min |
| 2026-06 | 132 | 83% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 228 | 80% |
| Tue | 236 | 81% |
| Wed | 233 | 83% |
| Thu | 222 | 78% |
| Fri | 229 | 79% |
| Sat | 162 | 85% |
| Sun | 220 | 78% |
DL flight numbers on RDU → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…