Flight OddsDL5667 DCA → BOS
Delta Air Lines · Washington, DC to Boston, MA · 171 flights observed, 2025-07-01 to 2026-06-05 · 399 mi
DL5667 covers more than one route in the data window — the stats below are for DCA → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-14 min
90th percentile
+54 min
Cancellation rate
9%
How often is DL5667 on time?
Across 171 flights on DCA → BOS from 2025-07-01 to 2026-06-05, DL5667 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +54 min or later. 9% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 120 | 77% |
| 16-30 min | 9 | 6% |
| 31-60 min | 12 | 8% |
| 61-120 min | 5 | 3% |
| 2+ hrs | 10 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 20 | 55% | +33 min |
| 2025-08 | 24 | 92% | -6 min |
| 2025-09 | 25 | 88% | -8 min |
| 2025-10 | 25 | 76% | +5 min |
| 2025-11 | 20 | 70% | +5 min |
| 2025-12 | 16 | 88% | -6 min |
| 2026-05 | 21 | 67% | +20 min |
| 2026-06 | 5 | 80% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 26 | 85% |
| Tue | 27 | 74% |
| Wed | 26 | 81% |
| Thu | 25 | 72% |
| Fri | 26 | 69% |
| Sat | 1 | 100% |
| Sun | 25 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…