Flight OddsONT → LAS Southwest Airlines
Southwest Airlines · Ontario, CA to Las Vegas, NV · 1,754 flights, 2025-07-01 to 2026-06-30 · aggregated across 91 flight numbers
On-time arrival
78%
Median delay
-4 min
90th percentile
+42 min
Cancellation rate
1%
How on-time is Southwest Airlines from ONT to LAS?
Across every Southwest Airlines flight number on ONT → LAS (1,754 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +42 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,357 | 78% |
| 16-30 min | 141 | 8% |
| 31-60 min | 133 | 8% |
| 61-120 min | 79 | 5% |
| 2+ hrs | 32 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 155 | 74% | +15 min |
| 2025-08 | 138 | 80% | +6 min |
| 2025-09 | 133 | 78% | +11 min |
| 2025-10 | 156 | 78% | +5 min |
| 2025-11 | 144 | 78% | +6 min |
| 2025-12 | 152 | 86% | +3 min |
| 2026-01 | 150 | 87% | -3 min |
| 2026-02 | 136 | 90% | -2 min |
| 2026-03 | 147 | 82% | +1 min |
| 2026-04 | 142 | 73% | +5 min |
| 2026-05 | 143 | 61% | +15 min |
| 2026-06 | 146 | 68% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 265 | 75% |
| Tue | 258 | 85% |
| Wed | 253 | 82% |
| Thu | 265 | 74% |
| Fri | 265 | 67% |
| Sat | 171 | 86% |
| Sun | 265 | 79% |
WN flight numbers on ONT → LAS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…