Flight OddsPHX → ONT Southwest Airlines
Southwest Airlines · Phoenix, AZ to Ontario, CA · 1,608 flights, 2025-07-01 to 2026-06-30 · aggregated across 88 flight numbers
On-time arrival
75%
Median delay
-2 min
90th percentile
+42 min
Cancellation rate
0%
How on-time is Southwest Airlines from PHX to ONT?
Across every Southwest Airlines flight number on PHX → ONT (1,608 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +42 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,205 | 75% |
| 16-30 min | 175 | 11% |
| 31-60 min | 127 | 8% |
| 61-120 min | 77 | 5% |
| 2+ hrs | 21 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 141 | 79% | +4 min |
| 2025-08 | 131 | 79% | +7 min |
| 2025-09 | 129 | 72% | +17 min |
| 2025-10 | 128 | 73% | +7 min |
| 2025-11 | 139 | 76% | +8 min |
| 2025-12 | 144 | 76% | +7 min |
| 2026-01 | 121 | 87% | -1 min |
| 2026-02 | 118 | 84% | +3 min |
| 2026-03 | 139 | 77% | +6 min |
| 2026-04 | 138 | 72% | +8 min |
| 2026-05 | 139 | 62% | +16 min |
| 2026-06 | 138 | 65% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 248 | 75% |
| Tue | 248 | 83% |
| Wed | 240 | 75% |
| Thu | 243 | 74% |
| Fri | 247 | 70% |
| Sat | 163 | 77% |
| Sun | 216 | 71% |
WN flight numbers on PHX → ONT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…