Flight OddsWN4253 ONT → PHX
Southwest Airlines · Ontario, CA to Phoenix, AZ · 8 flights observed, 2026-04-11 to 2026-05-30 · 325 mi
WN4253 covers more than one route in the data window — the stats below are for ONT → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-14 min
90th percentile
+9 min
Cancellation rate
0%
How often is WN4253 on time?
Across 8 flights on ONT → PHX from 2026-04-11 to 2026-05-30, WN4253 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +9 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 | 7 | 88% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 13% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 3 | 100% | -13 min |
| 2026-05 | 5 | 80% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 8 | 88% |
| 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…