Flight OddsWN987 BWI → STL
Southwest Airlines · Baltimore, MD to St. Louis, MO · 58 flights observed, 2026-04-07 to 2026-06-03 · 738 mi
WN987 covers more than one route in the data window — the stats below are for BWI → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
68%
Median delay
0 min
90th percentile
+52 min
Cancellation rate
0%
How often is WN987 on time?
Across 58 flights on BWI → STL from 2026-04-07 to 2026-06-03, WN987 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +52 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 | 39 | 68% |
| 16-30 min | 7 | 12% |
| 31-60 min | 5 | 9% |
| 61-120 min | 6 | 11% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 23 | 70% | +7 min |
| 2026-05 | 31 | 68% | +11 min |
| 2026-06 | 3 | 67% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 9 | 67% |
| Wed | 8 | 25% |
| Thu | 8 | 88% |
| Fri | 8 | 75% |
| Sat | 8 | 88% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…