UA1504
United Airlines flight 1504 — New York (LGA) to Chicago (ORD)
On time
71%
Avg delay
~76 min
Cancelled
1.7%
UA1504 is fairly reliable, though delays happen. About 71% 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 | 67% | 11.1% | 77 min |
| 2026-06 | 55% | 15.4% | 120 min |
| 2026-05 | 76% | 3.8% | 115 min |
| 2026-05 | 46% | 0.0% | 116 min |
| 2026-04 | 60% | 3.8% | 107 min |
| 2026-04 | 67% | 25.0% | 56 min |
| 2026-03 | 100% | 0.0% | 0 min |
| 2026-03 | 52% | 7.4% | 159 min |
| 2026-03 | 67% | 0.0% | 321 min |
| 2026-02 | 100% | 0.0% | 0 min |
| 2026-02 | 90% | 0.0% | 39 min |
| 2026-02 | 100% | 0.0% | 0 min |
Top delay cause
late-arriving aircraft
Based on 1,774 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.