UA1491
United Airlines flight 1491 — Kansas City (MCI) to Chicago (ORD)
On time
79%
Avg delay
~71 min
Cancelled
1.6%
UA1491 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 | 93% | 6.5% | 57 min |
| 2026-06 | 93% | 3.3% | 23 min |
| 2026-05 | 84% | 0.0% | 77 min |
| 2026-04 | 90% | 0.0% | 47 min |
| 2026-03 | 67% | 0.0% | 122 min |
| 2026-03 | 100% | 0.0% | 0 min |
| 2026-03 | 74% | 3.6% | 33 min |
| 2026-03 | 75% | 0.0% | 45 min |
| 2026-03 | 50% | 14.3% | 68 min |
| 2026-02 | 82% | 8.3% | 89 min |
| 2026-02 | 93% | 0.0% | 24 min |
| 2026-02 | 88% | 5.9% | 52 min |
Top delay cause
late-arriving aircraft
Based on 1,829 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.