Flight OddsWN1209 BOS → BNA
Southwest Airlines · Boston, MA to Nashville, TN · 36 flights observed, 2025-11-02 to 2026-01-05 · 942 mi
WN1209 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
89%
Median delay
-8 min
90th percentile
+19 min
Cancellation rate
0%
How often is WN1209 on time?
Across 36 flights on BOS → BNA from 2025-11-02 to 2026-01-05, WN1209 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +19 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 | 32 | 89% |
| 16-30 min | 2 | 6% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 17 | 94% | -7 min |
| 2025-12 | 15 | 87% | +1 min |
| 2026-01 | 4 | 75% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 3 | 100% |
| Wed | 1 | 100% |
| Thu | 3 | 100% |
| Fri | 8 | 88% |
| Sat | 5 | 60% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…