Flight OddsBWI → ONT Southwest Airlines
Southwest Airlines · Baltimore, MD to Ontario, CA · 281 flights, 2025-07-01 to 2026-06-30 · aggregated across 15 flight numbers
On-time arrival
64%
Median delay
+4 min
90th percentile
+59 min
Cancellation rate
0%
How on-time is Southwest Airlines from BWI to ONT?
Across every Southwest Airlines flight number on BWI → ONT (281 flights, 2025-07-01 to 2026-06-30), 64% arrived within 15 minutes of schedule. Median arrival delay +4 min; the worst 10% ran +59 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 179 | 64% |
| 16-30 min | 42 | 15% |
| 31-60 min | 32 | 11% |
| 61-120 min | 16 | 6% |
| 2+ hrs | 12 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 61% | +45 min |
| 2025-08 | 30 | 73% | +5 min |
| 2025-09 | 30 | 90% | +7 min |
| 2025-10 | 31 | 58% | +14 min |
| 2025-11 | 20 | 60% | +24 min |
| 2025-12 | 17 | 41% | +28 min |
| 2026-01 | 4 | 50% | +12 min |
| 2026-03 | 27 | 70% | +10 min |
| 2026-04 | 30 | 47% | +17 min |
| 2026-05 | 31 | 74% | +5 min |
| 2026-06 | 30 | 53% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 40 | 63% |
| Tue | 38 | 66% |
| Wed | 35 | 74% |
| Thu | 38 | 63% |
| Fri | 43 | 65% |
| Sat | 44 | 52% |
| Sun | 43 | 65% |
WN flight numbers on BWI → ONT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…