Flight OddsBNA → BOS Southwest Airlines
Southwest Airlines · Nashville, TN to Boston, MA · 997 flights, 2025-07-01 to 2026-06-30 · aggregated across 44 flight numbers
On-time arrival
62%
Median delay
+6 min
90th percentile
+64 min
Cancellation rate
1%
How on-time is Southwest Airlines from BNA to BOS?
Across every Southwest Airlines flight number on BNA → BOS (997 flights, 2025-07-01 to 2026-06-30), 62% arrived within 15 minutes of schedule. Median arrival delay +6 min; the worst 10% ran +64 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 609 | 62% |
| 16-30 min | 143 | 15% |
| 31-60 min | 118 | 12% |
| 61-120 min | 86 | 9% |
| 2+ hrs | 26 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 91 | 62% | +24 min |
| 2025-08 | 87 | 68% | +7 min |
| 2025-09 | 86 | 56% | +30 min |
| 2025-10 | 110 | 53% | +31 min |
| 2025-11 | 77 | 74% | +11 min |
| 2025-12 | 75 | 80% | +6 min |
| 2026-01 | 62 | 82% | +1 min |
| 2026-02 | 61 | 67% | +15 min |
| 2026-03 | 66 | 52% | +19 min |
| 2026-04 | 85 | 62% | +14 min |
| 2026-05 | 92 | 48% | +20 min |
| 2026-06 | 90 | 53% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 141 | 58% |
| Tue | 138 | 68% |
| Wed | 134 | 72% |
| Thu | 143 | 52% |
| Fri | 149 | 57% |
| Sat | 128 | 75% |
| Sun | 149 | 55% |
WN flight numbers on BNA → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…