AA1851
American Airlines flight 1851 — Miami (MIA) to Las Vegas (LAS)
On time
77%
Avg delay
~81 min
Cancelled
1.3%
AA1851 is fairly reliable, though delays happen. About 77% 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 | 73% | 0.0% | 64 min |
| 2026-07 | 77% | 0.0% | 53 min |
| 2026-06 | 100% | 4.8% | 0 min |
| 2026-05 | 77% | 0.0% | 56 min |
| 2026-05 | 80% | 0.0% | 37 min |
| 2026-05 | 89% | 0.0% | 91 min |
| 2026-04 | 70% | 0.0% | 33 min |
| 2026-04 | 70% | 0.0% | 30 min |
| 2026-04 | 67% | 0.0% | 42 min |
| 2026-03 | 50% | 3.2% | 58 min |
| 2026-02 | 88% | 5.9% | 72 min |
| 2026-02 | 91% | 0.0% | 16 min |
Top delay cause
late-arriving aircraft
Based on 1,940 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.