WN574
Southwest Airlines flight 574 — Washington (DCA) to Chicago (MDW)
On time
78%
Avg delay
~44 min
Cancelled
1.3%
WN574 is fairly reliable, though delays happen. About 78% of departures arrive on time. When delays happen, the most common cause is airline operations.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-07 | 97% | 3.2% | 26 min |
| 2026-06 | 33% | 0.0% | 184 min |
| 2026-06 | 100% | 0.0% | 0 min |
| 2026-05 | 60% | 3.8% | 38 min |
| 2026-04 | 67% | 0.0% | 31 min |
| 2026-04 | 100% | 0.0% | 0 min |
| 2026-04 | 80% | 0.0% | 68 min |
| 2026-03 | 100% | 0.0% | 0 min |
| 2026-03 | 75% | 0.0% | 39 min |
| 2026-03 | 50% | 0.0% | 25 min |
| 2026-03 | 25% | 0.0% | 21 min |
| 2026-03 | 86% | 4.3% | 115 min |
Top delay cause
airline operations
Based on 1,888 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.