Flight OddsWN3661 MDW → BWI
Southwest Airlines · Chicago, IL to Baltimore, MD · 30 flights observed, 2025-08-07 to 2025-09-29 · 611 mi
WN3661 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
73%
Median delay
+4 min
90th percentile
+41 min
Cancellation rate
0%
How often is WN3661 on time?
Across 30 flights on MDW → BWI from 2025-08-07 to 2025-09-29, WN3661 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +41 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 | 22 | 73% |
| 16-30 min | 4 | 13% |
| 31-60 min | 2 | 7% |
| 61-120 min | 2 | 7% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 14 | 64% | +14 min |
| 2025-09 | 16 | 81% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 8 | 63% |
| Fri | 8 | 88% |
| Sat | No data | — |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…