WN1639 BWI → CHS
Southwest Airlines · Baltimore, MD to Charleston, SC · 34 flights observed, 2025-07-01 to 2025-08-04 · 472 mi
WN1639 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
63%
Median delay
+7 min
90th percentile
+80 min
Cancellation rate
6%
How often is WN1639 on time?
Across 34 flights on BWI → CHS from 2025-07-01 to 2025-08-04, WN1639 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +80 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 63% |
| 16-30 min | 4 | 13% |
| 31-60 min | 3 | 9% |
| 61-120 min | 4 | 13% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 68% | +19 min |
| 2025-08 | 4 | 25% | +42 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 80% |
| Wed | 5 | 80% |
| Thu | 4 | 50% |
| Fri | 4 | 50% |
| Sat | 5 | 80% |
| Sun | 4 | 25% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…