Flight OddsWN4856 LAS → SAN
Southwest Airlines · Las Vegas, NV to San Diego, CA · 9 flights observed, 2025-12-04 to 2025-12-17 · 258 mi
WN4856 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
78%
Median delay
+10 min
90th percentile
+38 min
Cancellation rate
0%
How often is WN4856 on time?
Across 9 flights on LAS → SAN from 2025-12-04 to 2025-12-17, WN4856 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +38 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 | 7 | 78% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 11% |
| 61-120 min | 1 | 11% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 9 | 78% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 2 | 100% |
| Wed | 2 | 50% |
| Thu | 2 | 100% |
| Fri | 1 | 100% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…