Flight OddsBOS → DCA Delta Air Lines
Delta Air Lines · Boston, MA to Washington, DC · 3,117 flights, 2025-07-01 to 2026-06-30 · aggregated across 27 flight numbers
On-time arrival
77%
Median delay
-7 min
90th percentile
+55 min
Cancellation rate
4%
How on-time is Delta Air Lines from BOS to DCA?
Across every Delta Air Lines flight number on BOS → DCA (3,117 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +55 min or later. 4% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 2,294 | 77% |
| 16-30 min | 221 | 7% |
| 31-60 min | 218 | 7% |
| 61-120 min | 183 | 6% |
| 2+ hrs | 77 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 246 | 70% | +17 min |
| 2025-08 | 268 | 85% | -3 min |
| 2025-09 | 261 | 76% | +4 min |
| 2025-10 | 269 | 73% | +5 min |
| 2025-11 | 238 | 77% | +2 min |
| 2025-12 | 220 | 80% | +6 min |
| 2026-01 | 219 | 80% | +5 min |
| 2026-02 | 210 | 71% | +8 min |
| 2026-03 | 245 | 71% | +12 min |
| 2026-04 | 264 | 78% | +4 min |
| 2026-05 | 281 | 80% | +7 min |
| 2026-06 | 272 | 76% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 464 | 83% |
| Tue | 488 | 81% |
| Wed | 476 | 75% |
| Thu | 457 | 75% |
| Fri | 471 | 72% |
| Sat | 238 | 85% |
| Sun | 399 | 68% |
DL flight numbers on BOS → DCA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…