UA1641
United Airlines flight 1641 — Chicago (ORD) to Los Angeles (LAX)
On time
69%
Avg delay
~64 min
Cancelled
1.5%
UA1641 runs late more often than average. About 69% 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 | 56% | 7.4% | 87 min |
| 2026-07 | 84% | 0.0% | 81 min |
| 2026-06 | 68% | 9.5% | 144 min |
| 2026-06 | 83% | 0.0% | 28 min |
| 2026-06 | 100% | 0.0% | 0 min |
| 2026-05 | 78% | 0.0% | 70 min |
| 2026-05 | 81% | 0.0% | 95 min |
| 2026-04 | 65% | 0.0% | 97 min |
| 2026-04 | 62% | 0.0% | 152 min |
| 2026-03 | 68% | 0.0% | 135 min |
| 2026-03 | 78% | 0.0% | 81 min |
| 2026-02 | 77% | 0.0% | 29 min |
Top delay cause
late-arriving aircraft
Based on 1,778 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.