American Airlines · West Palm Beach/Palm Beach, FL to Chicago, IL · 177 flights observed, 2025-08-06 to 2026-04-06 · 1,144 mi
AA1831 covers more than one route in the data window — the stats below are for PBI → ORD, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA1831 on time?
Across 177 flights on PBI → ORD from 2025-08-06 to 2026-04-06, AA1831 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +129 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 | 116 | 68% |
| 16-30 min | 18 | 11% |
| 31-60 min | 9 | 5% |
| 61-120 min | 9 | 5% |
| 2+ hrs | 19 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 25 | 68% | +41 min |
| 2025-09 | 6 | 17% | +118 min |
| 2025-10 | 25 | 68% | +33 min |
| 2025-11 | 1 | 100% | -7 min |
| 2025-12 | 23 | 70% | +9 min |
| 2026-01 | 29 | 90% | -13 min |
| 2026-02 | 27 | 74% | +36 min |
| 2026-03 | 29 | 55% | +64 min |
| 2026-04 | 6 | 33% | +187 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 57% |
| Tue | 21 | 71% |
| Wed | 24 | 92% |
| Thu | 25 | 68% |
| Fri | 26 | 58% |
| Sat | 23 | 65% |
| Sun | 24 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…