Flight OddsWN4256 PHX → OAK
Southwest Airlines · Phoenix, AZ to Oakland, CA · 25 flights observed, 2025-07-01 to 2025-08-04 · 646 mi
WN4256 covers more than one route in the data window — the stats below are for PHX → OAK, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
0 min
90th percentile
+40 min
Cancellation rate
4%
How often is WN4256 on time?
Across 25 flights on PHX → OAK from 2025-07-01 to 2025-08-04, WN4256 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +40 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 67% |
| 16-30 min | 3 | 13% |
| 31-60 min | 4 | 17% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 22 | 68% | +9 min |
| 2025-08 | 2 | 50% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 5 | 80% |
| Wed | 5 | 0% |
| Thu | 5 | 100% |
| Fri | 5 | 60% |
| 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…