Flight OddsDCA → BOS Delta Air Lines
Delta Air Lines · Washington, DC to Boston, MA · 3,117 flights, 2025-07-01 to 2026-06-30 · aggregated across 45 flight numbers
On-time arrival
79%
Median delay
-10 min
90th percentile
+57 min
Cancellation rate
4%
How on-time is Delta Air Lines from DCA to BOS?
Across every Delta Air Lines flight number on DCA → BOS (3,117 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +57 min or later. 4% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 2,353 | 79% |
| 16-30 min | 146 | 5% |
| 31-60 min | 209 | 7% |
| 61-120 min | 178 | 6% |
| 2+ hrs | 105 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 251 | 75% | +14 min |
| 2025-08 | 266 | 90% | -8 min |
| 2025-09 | 259 | 69% | +14 min |
| 2025-10 | 266 | 68% | +13 min |
| 2025-11 | 236 | 84% | 0 min |
| 2025-12 | 219 | 80% | +1 min |
| 2026-01 | 221 | 82% | +3 min |
| 2026-02 | 212 | 81% | +3 min |
| 2026-03 | 245 | 74% | +13 min |
| 2026-04 | 264 | 80% | +2 min |
| 2026-05 | 281 | 80% | +5 min |
| 2026-06 | 271 | 80% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 460 | 80% |
| Tue | 489 | 80% |
| Wed | 473 | 80% |
| Thu | 458 | 78% |
| Fri | 475 | 74% |
| Sat | 231 | 88% |
| Sun | 405 | 76% |
DL flight numbers on DCA → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…