Flight OddsWN3735 MDW → DCA
Southwest Airlines · Chicago, IL to Washington, DC · 21 flights observed, 2025-07-01 to 2025-08-03 · 601 mi
WN3735 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
59%
Median delay
+6 min
90th percentile
+139 min
Cancellation rate
19%
How often is WN3735 on time?
Across 21 flights on MDW → DCA from 2025-07-01 to 2025-08-03, WN3735 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +139 min or later. 19% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 10 | 59% |
| 16-30 min | 1 | 6% |
| 31-60 min | 2 | 12% |
| 61-120 min | 1 | 6% |
| 2+ hrs | 3 | 18% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 15 | 60% | +37 min |
| 2025-08 | 2 | 50% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 5 | 60% |
| Wed | 3 | 67% |
| Thu | No data | — |
| Fri | 1 | 100% |
| Sat | 5 | 40% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…