Flight OddsSJC → ONT Southwest Airlines
Southwest Airlines · San Jose, CA to Ontario, CA · 1,316 flights, 2025-07-01 to 2026-06-30 · aggregated across 59 flight numbers
On-time arrival
84%
Median delay
-8 min
90th percentile
+27 min
Cancellation rate
0%
How on-time is Southwest Airlines from SJC to ONT?
Across every Southwest Airlines flight number on SJC → ONT (1,316 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +27 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,104 | 84% |
| 16-30 min | 99 | 8% |
| 31-60 min | 68 | 5% |
| 61-120 min | 32 | 2% |
| 2+ hrs | 11 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 118 | 81% | +4 min |
| 2025-08 | 110 | 85% | -2 min |
| 2025-09 | 106 | 85% | -2 min |
| 2025-10 | 110 | 72% | +10 min |
| 2025-11 | 116 | 88% | -1 min |
| 2025-12 | 118 | 86% | -2 min |
| 2026-01 | 101 | 90% | -5 min |
| 2026-02 | 99 | 90% | -4 min |
| 2026-03 | 107 | 90% | -3 min |
| 2026-04 | 106 | 87% | +0 min |
| 2026-05 | 110 | 85% | +2 min |
| 2026-06 | 113 | 73% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 205 | 83% |
| Tue | 178 | 90% |
| Wed | 171 | 90% |
| Thu | 202 | 84% |
| Fri | 202 | 81% |
| Sat | 156 | 87% |
| Sun | 200 | 75% |
WN flight numbers on SJC → ONT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…