Flight OddsWN991 BWI → ONT
Southwest Airlines · Baltimore, MD to Ontario, CA · 7 flights observed, 2026-06-09 to 2026-06-30 · 2,283 mi
WN991 covers more than one route in the data window — the stats below are for BWI → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+3 min
90th percentile
+30 min
Cancellation rate
0%
How often is WN991 on time?
Across 7 flights on BWI → ONT from 2026-06-09 to 2026-06-30, WN991 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +30 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 4 | 57% |
| 16-30 min | 2 | 29% |
| 31-60 min | 1 | 14% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 7 | 57% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 4 | 75% |
| Wed | 3 | 33% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…