Flight OddsWN4031 LAS → SAN
Southwest Airlines · Las Vegas, NV to San Diego, CA · 50 flights observed, 2026-01-06 to 2026-03-04 · 258 mi
WN4031 covers more than one route in the data window — the stats below are for LAS → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
56%
Median delay
+13 min
90th percentile
+73 min
Cancellation rate
0%
How often is WN4031 on time?
Across 50 flights on LAS → SAN from 2026-01-06 to 2026-03-04, WN4031 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +13 min, and the worst 10% of flights arrived +73 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 | 28 | 56% |
| 16-30 min | 11 | 22% |
| 31-60 min | 5 | 10% |
| 61-120 min | 5 | 10% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 22 | 64% | +17 min |
| 2026-02 | 24 | 54% | +28 min |
| 2026-03 | 4 | 25% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 50% |
| Tue | 9 | 44% |
| Wed | 9 | 78% |
| Thu | 8 | 63% |
| Fri | 8 | 63% |
| Sat | No data | — |
| Sun | 8 | 38% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…