Flight OddsWN4136 ONT → DEN
Southwest Airlines · Ontario, CA to Denver, CO · 24 flights observed, 2025-07-03 to 2025-08-04 · 819 mi
WN4136 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
29%
Median delay
+39 min
90th percentile
+84 min
Cancellation rate
0%
How often is WN4136 on time?
Across 24 flights on ONT → DEN from 2025-07-03 to 2025-08-04, WN4136 arrived within 15 minutes of schedule 29% of the time. The median arrival delay was +39 min, and the worst 10% of flights arrived +84 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 | 29% |
| 16-30 min | 4 | 17% |
| 31-60 min | 5 | 21% |
| 61-120 min | 7 | 29% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 20 | 25% | +48 min |
| 2025-08 | 4 | 50% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 5 | 0% |
| Fri | 4 | 0% |
| Sat | 5 | 40% |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…