Flight OddsWN4639 LAS → SJC
Southwest Airlines · Las Vegas, NV to San Jose, CA · 22 flights observed, 2026-01-11 to 2026-03-02 · 386 mi
WN4639 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
77%
Median delay
-14 min
90th percentile
+70 min
Cancellation rate
0%
How often is WN4639 on time?
Across 22 flights on LAS → SJC from 2026-01-11 to 2026-03-02, WN4639 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +70 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 | 17 | 77% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 9% |
| 61-120 min | 3 | 14% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 5 | 100% | -20 min |
| 2026-02 | 15 | 67% | +14 min |
| 2026-03 | 2 | 100% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 1 | 0% |
| Wed | No data | — |
| Thu | 5 | 60% |
| Fri | 5 | 80% |
| Sat | No data | — |
| Sun | 6 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…