AA1831
American Airlines flight 1831 — Chicago (ORD) to West Palm Beach (PBI)
On time
77%
Avg delay
~79 min
Cancelled
0.9%
AA1831 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 | 93% | 0.0% | 21 min |
| 2026-07 | 90% | 0.0% | 21 min |
| 2026-06 | 80% | 0.0% | 83 min |
| 2026-06 | 87% | 0.0% | 110 min |
| 2026-05 | 71% | 0.0% | 40 min |
| 2026-05 | 100% | 0.0% | 0 min |
| 2026-05 | 100% | 0.0% | 0 min |
| 2026-04 | 88% | 0.0% | 46 min |
| 2026-04 | 50% | 0.0% | 134 min |
| 2026-04 | 33% | 0.0% | 285 min |
| 2026-03 | 47% | 3.2% | 87 min |
| 2026-03 | 57% | 3.2% | 147 min |
Top delay cause
late-arriving aircraft
Based on 1,889 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.