Flight OddsBOS → BNA Southwest Airlines
Southwest Airlines · Boston, MA to Nashville, TN · 996 flights, 2025-07-01 to 2026-06-30 · aggregated across 41 flight numbers
On-time arrival
67%
Median delay
+1 min
90th percentile
+60 min
Cancellation rate
1%
How on-time is Southwest Airlines from BOS to BNA?
Across every Southwest Airlines flight number on BOS → BNA (996 flights, 2025-07-01 to 2026-06-30), 67% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +60 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 662 | 67% |
| 16-30 min | 114 | 12% |
| 31-60 min | 110 | 11% |
| 61-120 min | 62 | 6% |
| 2+ hrs | 34 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 91 | 69% | +13 min |
| 2025-08 | 87 | 84% | -2 min |
| 2025-09 | 85 | 71% | +20 min |
| 2025-10 | 109 | 53% | +27 min |
| 2025-11 | 77 | 69% | +13 min |
| 2025-12 | 75 | 64% | +18 min |
| 2026-01 | 62 | 81% | +1 min |
| 2026-02 | 62 | 81% | +0 min |
| 2026-03 | 66 | 76% | +7 min |
| 2026-04 | 85 | 68% | +14 min |
| 2026-05 | 93 | 54% | +33 min |
| 2026-06 | 90 | 54% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 138 | 66% |
| Tue | 139 | 70% |
| Wed | 135 | 68% |
| Thu | 144 | 60% |
| Fri | 147 | 68% |
| Sat | 129 | 78% |
| Sun | 150 | 63% |
WN flight numbers on BOS → BNA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…