Flight OddsWN487 BOS → BWI
Southwest Airlines · Boston, MA to Baltimore, MD · 63 flights observed, 2025-11-02 to 2026-06-27 · 369 mi
WN487 covers more than one route in the data window — the stats below are for BOS → BWI, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
-2 min
90th percentile
+82 min
Cancellation rate
3%
How often is WN487 on time?
Across 63 flights on BOS → BWI from 2025-11-02 to 2026-06-27, WN487 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +82 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 39 | 64% |
| 16-30 min | 3 | 5% |
| 31-60 min | 10 | 16% |
| 61-120 min | 6 | 10% |
| 2+ hrs | 3 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 24 | 54% | +29 min |
| 2025-12 | 28 | 64% | +16 min |
| 2026-01 | 5 | 80% | -1 min |
| 2026-06 | 4 | 100% | -21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | 9 | 44% |
| Wed | 9 | 89% |
| Thu | 8 | 75% |
| Fri | 8 | 50% |
| Sat | 9 | 78% |
| Sun | 9 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…