Flight OddsWN4237 BWI → CHS
Southwest Airlines · Baltimore, MD to Charleston, SC · 18 flights observed, 2025-08-05 to 2025-10-01 · 472 mi
WN4237 covers more than one route in the data window — the stats below are for BWI → CHS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-3 min
90th percentile
+32 min
Cancellation rate
0%
How often is WN4237 on time?
Across 18 flights on BWI → CHS from 2025-08-05 to 2025-10-01, WN4237 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +32 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 | 15 | 83% |
| 16-30 min | 1 | 6% |
| 31-60 min | 1 | 6% |
| 61-120 min | 1 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 8 | 63% | +17 min |
| 2025-09 | 9 | 100% | -4 min |
| 2025-10 | 1 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 9 | 89% |
| Wed | 9 | 78% |
| 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…