American Airlines · Chicago, IL to West Palm Beach/Palm Beach, FL · 224 flights observed, 2025-07-01 to 2026-04-06 · 1,144 mi
AA1831 covers more than one route in the data window — the stats below are for ORD → PBI, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA1831 on time?
Across 224 flights on ORD → PBI from 2025-07-01 to 2026-04-06, AA1831 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +98 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 150 | 68% |
| 16-30 min | 13 | 6% |
| 31-60 min | 16 | 7% |
| 61-120 min | 27 | 12% |
| 2+ hrs | 13 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | +28 min |
| 2025-08 | 31 | 71% | +33 min |
| 2025-09 | 30 | 60% | +31 min |
| 2025-10 | 30 | 63% | +40 min |
| 2025-11 | 18 | 83% | -5 min |
| 2025-12 | 22 | 91% | +6 min |
| 2026-01 | 5 | 100% | -17 min |
| 2026-02 | 17 | 65% | +19 min |
| 2026-03 | 30 | 47% | +42 min |
| 2026-04 | 6 | 50% | +65 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 30 | 60% |
| Tue | 32 | 81% |
| Wed | 31 | 81% |
| Thu | 32 | 66% |
| Fri | 32 | 69% |
| Sat | 30 | 57% |
| Sun | 32 | 66% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…