Flight OddsWN4584 DEN → SJC
Southwest Airlines · Denver, CO to San Jose, CA · 22 flights observed, 2026-01-11 to 2026-03-02 · 948 mi
WN4584 covers more than one route in the data window — the stats below are for DEN → SJC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-3 min
90th percentile
+21 min
Cancellation rate
0%
How often is WN4584 on time?
Across 22 flights on DEN → SJC from 2026-01-11 to 2026-03-02, WN4584 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -3 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 | 18 | 82% |
| 16-30 min | 2 | 9% |
| 31-60 min | 1 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 5 | 100% | -7 min |
| 2026-02 | 15 | 73% | +13 min |
| 2026-03 | 2 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 1 | 0% |
| Wed | No data | — |
| Thu | 5 | 80% |
| 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…