Flight OddsAUS → ONT Southwest Airlines
Southwest Airlines · Austin, TX to Ontario, CA · 335 flights, 2025-07-01 to 2026-06-30 · aggregated across 17 flight numbers
On-time arrival
78%
Median delay
-1 min
90th percentile
+37 min
Cancellation rate
0%
How on-time is Southwest Airlines from AUS to ONT?
Across every Southwest Airlines flight number on AUS → ONT (335 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +37 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 259 | 78% |
| 16-30 min | 34 | 10% |
| 31-60 min | 22 | 7% |
| 61-120 min | 14 | 4% |
| 2+ hrs | 5 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | +11 min |
| 2025-08 | 26 | 77% | +5 min |
| 2025-09 | 26 | 69% | +11 min |
| 2025-10 | 27 | 74% | +11 min |
| 2025-11 | 29 | 69% | +18 min |
| 2025-12 | 31 | 81% | +3 min |
| 2026-01 | 26 | 92% | -4 min |
| 2026-02 | 24 | 79% | -1 min |
| 2026-03 | 31 | 94% | -6 min |
| 2026-04 | 27 | 74% | +8 min |
| 2026-05 | 26 | 73% | +9 min |
| 2026-06 | 30 | 63% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 84% |
| Tue | 53 | 92% |
| Wed | 52 | 81% |
| Thu | 52 | 77% |
| Fri | 52 | 71% |
| Sat | 23 | 83% |
| Sun | 51 | 57% |
WN flight numbers on AUS → ONT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…