WN120
Southwest Airlines flight 120 — Milwaukee (MKE) to Phoenix (PHX)
On time
82%
Avg delay
~37 min
Cancelled
0.8%
WN120 is a reliable flight. About 82% 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 | 73% | 0.0% | 70 min |
| 2026-07 | 100% | 0.0% | 0 min |
| 2026-07 | 67% | 0.0% | 30 min |
| 2026-07 | 33% | 0.0% | 52 min |
| 2026-07 | 78% | 0.0% | 91 min |
| 2026-07 | 100% | 0.0% | 0 min |
| 2026-07 | 100% | 0.0% | 0 min |
| 2026-07 | 89% | 0.0% | 44 min |
| 2026-06 | 70% | 0.0% | 57 min |
| 2026-06 | 100% | 0.0% | 0 min |
| 2026-06 | 50% | 0.0% | 37 min |
| 2026-06 | 100% | 0.0% | 0 min |
Top delay cause
airline operations
Based on 1,782 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.