Flight OddsSouthwest Airlines · Philadelphia, PA to Nashville, TN · 58 flights observed, 2025-08-05 to 2025-10-01 · 675 mi
WN4001 covers more than one route in the data window — the stats below are for PHL → BNA, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN4001 on time?
Across 58 flights on PHL → BNA from 2025-08-05 to 2025-10-01, WN4001 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +81 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 | 37 | 64% |
| 16-30 min | 7 | 12% |
| 31-60 min | 7 | 12% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 4 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 27 | 44% | +34 min |
| 2025-09 | 30 | 80% | +5 min |
| 2025-10 | 1 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 9 | 89% |
| Wed | 9 | 44% |
| Thu | 8 | 63% |
| Fri | 8 | 75% |
| Sat | 8 | 50% |
| Sun | 8 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…