Flight OddsWN4240 SJC → SAN
Southwest Airlines · San Jose, CA to San Diego, CA · 49 flights observed, 2025-07-01 to 2026-04-06 · 417 mi
WN4240 covers more than one route in the data window — the stats below are for SJC → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+9 min
90th percentile
+28 min
Cancellation rate
0%
How often is WN4240 on time?
Across 49 flights on SJC → SAN from 2025-07-01 to 2026-04-06, WN4240 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +28 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 | 32 | 65% |
| 16-30 min | 15 | 31% |
| 31-60 min | 2 | 4% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 67% | +8 min |
| 2025-08 | 4 | 50% | +22 min |
| 2026-03 | 12 | 67% | +9 min |
| 2026-04 | 3 | 67% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 60% |
| Tue | 5 | 100% |
| Wed | 5 | 100% |
| Thu | 10 | 80% |
| Fri | 9 | 44% |
| Sat | 5 | 40% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…