WN1004 BOS → BNA
Southwest Airlines · Boston, MA to Nashville, TN · 39 flights observed, 2025-11-02 to 2026-01-05 · 942 mi
WN1004 covers more than one route in the data window — the stats below are for BOS → BNA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
+2 min
90th percentile
+37 min
Cancellation rate
0%
How often is WN1004 on time?
Across 39 flights on BOS → BNA from 2025-11-02 to 2026-01-05, WN1004 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +37 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 | 28 | 72% |
| 16-30 min | 5 | 13% |
| 31-60 min | 5 | 13% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 18 | 72% | +6 min |
| 2025-12 | 17 | 65% | +13 min |
| 2026-01 | 4 | 100% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 3 | 67% |
| Wed | 1 | 100% |
| Thu | 3 | 33% |
| Fri | 8 | 63% |
| Sat | 9 | 89% |
| Sun | 9 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…