Flight OddsWN518 BNA → HOU
Southwest Airlines · Nashville, TN to Houston, TX · 55 flights observed, 2026-01-06 to 2026-03-04 · 670 mi
WN518 covers more than one route in the data window — the stats below are for BNA → HOU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-3 min
90th percentile
+25 min
Cancellation rate
4%
How often is WN518 on time?
Across 55 flights on BNA → HOU from 2026-01-06 to 2026-03-04, WN518 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +25 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 45 | 85% |
| 16-30 min | 5 | 9% |
| 31-60 min | 2 | 4% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 24 | 83% | -6 min |
| 2026-02 | 25 | 84% | +1 min |
| 2026-03 | 4 | 100% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 9 | 100% |
| Wed | 9 | 67% |
| Thu | 8 | 75% |
| Fri | 8 | 88% |
| Sat | 4 | 100% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…