Flight OddsWN3877 OAK → SAN
Southwest Airlines · Oakland, CA to San Diego, CA · 32 flights observed, 2025-08-07 to 2025-09-29 · 446 mi
WN3877 covers more than one route in the data window — the stats below are for OAK → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-2 min
90th percentile
+28 min
Cancellation rate
0%
How often is WN3877 on time?
Across 32 flights on OAK → SAN from 2025-08-07 to 2025-09-29, WN3877 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -2 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 | 25 | 78% |
| 16-30 min | 4 | 13% |
| 31-60 min | 2 | 6% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 15 | 73% | +3 min |
| 2025-09 | 17 | 82% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 75% |
| Fri | 8 | 75% |
| Sat | 8 | 88% |
| 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…