Flight OddsWN156 ONT → LAS
Southwest Airlines · Ontario, CA to Las Vegas, NV · 45 flights observed, 2025-11-02 to 2026-01-05 · 197 mi
WN156 covers more than one route in the data window — the stats below are for ONT → LAS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
69%
Median delay
+3 min
90th percentile
+69 min
Cancellation rate
7%
How often is WN156 on time?
Across 45 flights on ONT → LAS from 2025-11-02 to 2026-01-05, WN156 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +69 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 29 | 69% |
| 16-30 min | 6 | 14% |
| 31-60 min | 2 | 5% |
| 61-120 min | 3 | 7% |
| 2+ hrs | 2 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 20 | 70% | +16 min |
| 2025-12 | 20 | 70% | +12 min |
| 2026-01 | 2 | 50% | +44 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 5 | 80% |
| Wed | 8 | 75% |
| Thu | 7 | 57% |
| Fri | 6 | 67% |
| Sat | 4 | 75% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…