Flight OddsWN4525 SMF → ONT
Southwest Airlines · Sacramento, CA to Ontario, CA · 22 flights observed, 2025-10-02 to 2025-10-31 · 390 mi
WN4525 covers more than one route in the data window — the stats below are for SMF → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
+5 min
90th percentile
+52 min
Cancellation rate
0%
How often is WN4525 on time?
Across 22 flights on SMF → ONT from 2025-10-02 to 2025-10-31, WN4525 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +52 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 | 17 | 77% |
| 16-30 min | 1 | 5% |
| 31-60 min | 2 | 9% |
| 61-120 min | 2 | 9% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 22 | 77% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 100% |
| Wed | 4 | 75% |
| Thu | 5 | 80% |
| 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…