Flight OddsWN4521 OAK → LAX
Southwest Airlines · Oakland, CA to Los Angeles, CA · 31 flights observed, 2025-08-07 to 2025-09-29 · 337 mi
WN4521 covers more than one route in the data window — the stats below are for OAK → LAX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
52%
Median delay
+12 min
90th percentile
+43 min
Cancellation rate
0%
How often is WN4521 on time?
Across 31 flights on OAK → LAX from 2025-08-07 to 2025-09-29, WN4521 arrived within 15 minutes of schedule 52% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +43 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 | 16 | 52% |
| 16-30 min | 8 | 26% |
| 31-60 min | 4 | 13% |
| 61-120 min | 3 | 10% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 14 | 36% | +28 min |
| 2025-09 | 17 | 65% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 50% |
| Fri | 8 | 25% |
| Sat | No data | — |
| Sun | 7 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…