Flight OddsWN2509 BNA → BOS
Southwest Airlines · Nashville, TN to Boston, MA · 35 flights observed, 2025-11-02 to 2026-01-05 · 942 mi
WN2509 covers more than one route in the data window — the stats below are for BNA → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
63%
Median delay
+4 min
90th percentile
+65 min
Cancellation rate
0%
How often is WN2509 on time?
Across 35 flights on BNA → BOS from 2025-11-02 to 2026-01-05, WN2509 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +4 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 | 22 | 63% |
| 16-30 min | 0 | 0% |
| 31-60 min | 7 | 20% |
| 61-120 min | 4 | 11% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 16 | 69% | +27 min |
| 2025-12 | 15 | 53% | +30 min |
| 2026-01 | 4 | 75% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 3 | 0% |
| Wed | 1 | 100% |
| Thu | 3 | 67% |
| Fri | 8 | 63% |
| Sat | 5 | 80% |
| Sun | 9 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…