Flight OddsWN3311 PHX → ONT
Southwest Airlines · Phoenix, AZ to Ontario, CA · 18 flights observed, 2026-03-07 to 2026-04-05 · 325 mi
WN3311 covers more than one route in the data window — the stats below are for PHX → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-9 min
90th percentile
+36 min
Cancellation rate
0%
How often is WN3311 on time?
Across 18 flights on PHX → ONT from 2026-03-07 to 2026-04-05, WN3311 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +36 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 | 14 | 78% |
| 16-30 min | 0 | 0% |
| 31-60 min | 3 | 17% |
| 61-120 min | 1 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 15 | 73% | +1 min |
| 2026-04 | 3 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 4 | 100% |
| Wed | 4 | 100% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 5 | 80% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…