Flight OddsWN4911 SMF → ONT
Southwest Airlines · Sacramento, CA to Ontario, CA · 16 flights observed, 2026-06-04 to 2026-06-29 · 390 mi
WN4911 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
100%
Median delay
-8 min
90th percentile
-2 min
Cancellation rate
6%
How often is WN4911 on time?
Across 16 flights on SMF → ONT from 2026-06-04 to 2026-06-29, WN4911 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived -2 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 100% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 15 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 4 | 100% |
| Fri | 4 | 100% |
| Sat | No data | — |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…