Flight OddsDL5843 BOS → DCA
Delta Air Lines · Boston, MA to Washington, DC · 170 flights observed, 2025-07-01 to 2025-12-19 · 399 mi
DL5843 covers more than one route in the data window — the stats below are for BOS → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
63%
Median delay
-4 min
90th percentile
+82 min
Cancellation rate
5%
How often is DL5843 on time?
Across 170 flights on BOS → DCA from 2025-07-01 to 2025-12-19, DL5843 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +82 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 102 | 63% |
| 16-30 min | 16 | 10% |
| 31-60 min | 22 | 14% |
| 61-120 min | 14 | 9% |
| 2+ hrs | 8 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 44% | +41 min |
| 2025-08 | 31 | 77% | +1 min |
| 2025-09 | 28 | 57% | +15 min |
| 2025-10 | 30 | 47% | +19 min |
| 2025-11 | 27 | 78% | -3 min |
| 2025-12 | 19 | 79% | +42 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 71% |
| Tue | 24 | 63% |
| Wed | 25 | 68% |
| Thu | 22 | 55% |
| Fri | 24 | 54% |
| Sat | 23 | 83% |
| Sun | 23 | 48% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…