UA643
United Airlines flight 643 — Denver (DEN) to Wichita (ICT)
On time
79%
Avg delay
~66 min
Cancelled
0.8%
UA643 is fairly reliable, though delays happen. About 79% of departures arrive on time. When delays happen, the most common cause is late-arriving aircraft.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-07 | 100% | 0.0% | 0 min |
| 2026-07 | 87% | 0.0% | 33 min |
| 2026-07 | 83% | 0.0% | 30 min |
| 2026-06 | 96% | 0.0% | 574 min |
| 2026-06 | 80% | 0.0% | 65 min |
| 2026-06 | 73% | 0.0% | 77 min |
| 2026-05 | 93% | 3.4% | 20 min |
| 2026-05 | 71% | 0.0% | 30 min |
| 2026-05 | 94% | 0.0% | 51 min |
| 2026-04 | 100% | 0.0% | 0 min |
| 2026-04 | 83% | 0.0% | 36 min |
| 2026-04 | 87% | 0.0% | 63 min |
Top delay cause
late-arriving aircraft
Based on 1,877 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.