Flight OddsWN4284 SJC → DEN
Southwest Airlines · San Jose, CA to Denver, CO · 57 flights observed, 2025-08-05 to 2025-10-01 · 948 mi
WN4284 covers more than one route in the data window — the stats below are for SJC → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+8 min
90th percentile
+49 min
Cancellation rate
0%
How often is WN4284 on time?
Across 57 flights on SJC → DEN from 2025-08-05 to 2025-10-01, WN4284 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +49 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 | 37 | 65% |
| 16-30 min | 9 | 16% |
| 31-60 min | 8 | 14% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 26 | 62% | +20 min |
| 2025-09 | 30 | 67% | +12 min |
| 2025-10 | 1 | 100% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 38% |
| Tue | 9 | 67% |
| Wed | 9 | 67% |
| Thu | 8 | 63% |
| Fri | 8 | 63% |
| Sat | 8 | 75% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…