Flight OddsWN4489 ONT → DEN
Southwest Airlines · Ontario, CA to Denver, CO · 32 flights observed, 2025-08-07 to 2025-09-29 · 819 mi
WN4489 covers more than one route in the data window — the stats below are for ONT → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
47%
Median delay
+22 min
90th percentile
+99 min
Cancellation rate
0%
How often is WN4489 on time?
Across 32 flights on ONT → DEN from 2025-08-07 to 2025-09-29, WN4489 arrived within 15 minutes of schedule 47% of the time. The median arrival delay was +22 min, and the worst 10% of flights arrived +99 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 | 15 | 47% |
| 16-30 min | 2 | 6% |
| 31-60 min | 5 | 16% |
| 61-120 min | 8 | 25% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 15 | 40% | +39 min |
| 2025-09 | 17 | 53% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 50% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 50% |
| Fri | 8 | 38% |
| Sat | No data | — |
| Sun | 8 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…