Flight OddsWN1278 ONT → SMF
Southwest Airlines · Ontario, CA to Sacramento, CA · 25 flights observed, 2025-10-02 to 2025-10-30 · 390 mi
WN1278 covers more than one route in the data window — the stats below are for ONT → SMF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
40%
Median delay
+19 min
90th percentile
+92 min
Cancellation rate
0%
How often is WN1278 on time?
Across 25 flights on ONT → SMF from 2025-10-02 to 2025-10-30, WN1278 arrived within 15 minutes of schedule 40% of the time. The median arrival delay was +19 min, and the worst 10% of flights arrived +92 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 | 10 | 40% |
| 16-30 min | 6 | 24% |
| 31-60 min | 3 | 12% |
| 61-120 min | 5 | 20% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 25 | 40% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 25% |
| Tue | 4 | 100% |
| Wed | 4 | 75% |
| Thu | 5 | 20% |
| Fri | 4 | 0% |
| Sat | No data | — |
| Sun | 4 | 25% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…