Flight OddsWN3958 MDW → DCA
Southwest Airlines · Chicago, IL to Washington, DC · 14 flights observed, 2025-10-02 to 2025-10-31 · 601 mi
WN3958 covers more than one route in the data window — the stats below are for MDW → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-2 min
90th percentile
+33 min
Cancellation rate
0%
How often is WN3958 on time?
Across 14 flights on MDW → DCA from 2025-10-02 to 2025-10-31, WN3958 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +33 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 | 11 | 79% |
| 16-30 min | 1 | 7% |
| 31-60 min | 1 | 7% |
| 61-120 min | 1 | 7% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 14 | 79% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 5 | 40% |
| Fri | 5 | 100% |
| 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…