Flight OddsONT → SJC Southwest Airlines
Southwest Airlines · Ontario, CA to San Jose, CA · 1,318 flights, 2025-07-01 to 2026-06-30 · aggregated across 68 flight numbers
On-time arrival
86%
Median delay
-9 min
90th percentile
+27 min
Cancellation rate
0%
How on-time is Southwest Airlines from ONT to SJC?
Across every Southwest Airlines flight number on ONT → SJC (1,318 flights, 2025-07-01 to 2026-06-30), 86% arrived within 15 minutes of schedule. Median arrival delay -9 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 | 1,127 | 86% |
| 16-30 min | 76 | 6% |
| 31-60 min | 57 | 4% |
| 61-120 min | 36 | 3% |
| 2+ hrs | 21 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 118 | 77% | +7 min |
| 2025-08 | 110 | 88% | -3 min |
| 2025-09 | 107 | 86% | +3 min |
| 2025-10 | 110 | 79% | +5 min |
| 2025-11 | 118 | 86% | +3 min |
| 2025-12 | 117 | 91% | -6 min |
| 2026-01 | 101 | 94% | -12 min |
| 2026-02 | 99 | 91% | -4 min |
| 2026-03 | 107 | 83% | +0 min |
| 2026-04 | 106 | 86% | -2 min |
| 2026-05 | 110 | 92% | -5 min |
| 2026-06 | 114 | 76% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 206 | 84% |
| Tue | 178 | 90% |
| Wed | 172 | 90% |
| Thu | 202 | 86% |
| Fri | 202 | 85% |
| Sat | 156 | 87% |
| Sun | 201 | 79% |
WN flight numbers on ONT → SJC
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…