Flight OddsDL5821 BNA → DCA
Delta Air Lines · Nashville, TN to Washington, DC · 170 flights observed, 2025-07-01 to 2026-01-04 · 562 mi
DL5821 covers more than one route in the data window — the stats below are for BNA → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-8 min
90th percentile
+17 min
Cancellation rate
2%
How often is DL5821 on time?
Across 170 flights on BNA → DCA from 2025-07-01 to 2026-01-04, DL5821 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +17 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 145 | 88% |
| 16-30 min | 13 | 8% |
| 31-60 min | 5 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 92% | -9 min |
| 2025-08 | 31 | 100% | -13 min |
| 2025-09 | 29 | 83% | 0 min |
| 2025-10 | 31 | 81% | +4 min |
| 2025-11 | 28 | 86% | -2 min |
| 2025-12 | 19 | 84% | +6 min |
| 2026-01 | 1 | 100% | -21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 83% |
| Tue | 24 | 67% |
| Wed | 24 | 100% |
| Thu | 22 | 95% |
| Fri | 24 | 96% |
| Sat | 23 | 96% |
| 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…