Flight OddsWN4556 DCA → BNA
Southwest Airlines · Washington, DC to Nashville, TN · 55 flights observed, 2025-11-02 to 2026-01-05 · 562 mi
WN4556 covers more than one route in the data window — the stats below are for DCA → BNA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
-3 min
90th percentile
+65 min
Cancellation rate
0%
How often is WN4556 on time?
Across 55 flights on DCA → BNA from 2025-11-02 to 2026-01-05, WN4556 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +65 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 40 | 73% |
| 16-30 min | 4 | 7% |
| 31-60 min | 3 | 5% |
| 61-120 min | 5 | 9% |
| 2+ hrs | 3 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 24 | 75% | +13 min |
| 2025-12 | 27 | 67% | +16 min |
| 2026-01 | 4 | 100% | -16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 60% |
| Tue | 9 | 78% |
| Wed | 9 | 78% |
| Thu | 8 | 75% |
| Fri | 9 | 78% |
| Sat | No data | — |
| Sun | 10 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…