Flight OddsWN4254 DAL → ONT
Southwest Airlines · Dallas, TX to Ontario, CA · 10 flights observed, 2025-07-05 to 2025-08-03 · 1,200 mi
WN4254 covers more than one route in the data window — the stats below are for DAL → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
+10 min
90th percentile
+40 min
Cancellation rate
0%
How often is WN4254 on time?
Across 10 flights on DAL → ONT from 2025-07-05 to 2025-08-03, WN4254 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +40 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 | 70% |
| 16-30 min | 1 | 10% |
| 31-60 min | 1 | 10% |
| 61-120 min | 1 | 10% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 8 | 75% | +8 min |
| 2025-08 | 2 | 50% | +29 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 | 5 | 100% |
| 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…