Flight OddsDAL → ONT Southwest Airlines
Southwest Airlines · Dallas, TX to Ontario, CA · 403 flights, 2025-07-01 to 2026-06-30 · aggregated across 32 flight numbers
On-time arrival
69%
Median delay
+4 min
90th percentile
+55 min
Cancellation rate
1%
How on-time is Southwest Airlines from DAL to ONT?
Across every Southwest Airlines flight number on DAL → ONT (403 flights, 2025-07-01 to 2026-06-30), 69% arrived within 15 minutes of schedule. Median arrival delay +4 min; the worst 10% ran +55 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 272 | 69% |
| 16-30 min | 47 | 12% |
| 31-60 min | 40 | 10% |
| 61-120 min | 28 | 7% |
| 2+ hrs | 10 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 34 | 62% | +15 min |
| 2025-08 | 35 | 71% | +12 min |
| 2025-09 | 34 | 76% | +18 min |
| 2025-10 | 31 | 55% | +33 min |
| 2025-11 | 34 | 76% | +19 min |
| 2025-12 | 42 | 83% | +6 min |
| 2026-01 | 32 | 81% | +2 min |
| 2026-02 | 27 | 63% | +9 min |
| 2026-03 | 31 | 77% | +2 min |
| 2026-04 | 33 | 58% | +21 min |
| 2026-05 | 34 | 59% | +20 min |
| 2026-06 | 30 | 53% | +33 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 55 | 60% |
| Tue | 54 | 72% |
| Wed | 53 | 75% |
| Thu | 51 | 75% |
| Fri | 55 | 62% |
| Sat | 55 | 73% |
| Sun | 74 | 65% |
WN flight numbers on DAL → ONT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…