Flight OddsWN4487 MDW → BWI
Southwest Airlines · Chicago, IL to Baltimore, MD · 13 flights observed, 2026-01-10 to 2026-03-01 · 611 mi
WN4487 covers more than one route in the data window — the stats below are for MDW → BWI, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-9 min
90th percentile
+18 min
Cancellation rate
15%
How often is WN4487 on time?
Across 13 flights on MDW → BWI from 2026-01-10 to 2026-03-01, WN4487 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +18 min or later. 15% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 9 | 82% |
| 16-30 min | 1 | 9% |
| 31-60 min | 1 | 9% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 3 | 67% | +6 min |
| 2026-02 | 7 | 86% | -4 min |
| 2026-03 | 1 | 100% | -18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 100% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 2 | 100% |
| Fri | 3 | 100% |
| Sat | 4 | 50% |
| Sun | 1 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…