Flight OddsWN4878 LAS → SJC
Southwest Airlines · Las Vegas, NV to San Jose, CA · 16 flights observed, 2025-11-06 to 2026-01-05 · 386 mi
WN4878 covers more than one route in the data window — the stats below are for LAS → SJC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-1 min
90th percentile
+21 min
Cancellation rate
0%
How often is WN4878 on time?
Across 16 flights on LAS → SJC from 2025-11-06 to 2026-01-05, WN4878 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +21 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 | 12 | 75% |
| 16-30 min | 3 | 19% |
| 31-60 min | 1 | 6% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 11 | 82% | -2 min |
| 2025-12 | 4 | 75% | -4 min |
| 2026-01 | 1 | 0% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 67% |
| Fri | 5 | 100% |
| Sat | No data | — |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…