Flight OddsWN3727 SJC → SAN
Southwest Airlines · San Jose, CA to San Diego, CA · 21 flights observed, 2025-10-02 to 2025-10-30 · 417 mi
WN3727 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
75%
Median delay
+4 min
90th percentile
+28 min
Cancellation rate
5%
How often is WN3727 on time?
Across 21 flights on SJC → SAN from 2025-10-02 to 2025-10-30, WN3727 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +28 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 75% |
| 16-30 min | 3 | 15% |
| 31-60 min | 2 | 10% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 20 | 75% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 3 | 100% |
| Wed | 4 | 75% |
| Thu | 5 | 80% |
| Fri | 4 | 50% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…