Flight OddsAA831 CHS → MIA
American Airlines · Charleston, SC to Miami, FL · 72 flights observed, 2026-01-07 to 2026-04-06 · 489 mi
AA831 covers more than one route in the data window — the stats below are for CHS → MIA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-10 min
90th percentile
+16 min
Cancellation rate
1%
How often is AA831 on time?
Across 72 flights on CHS → MIA from 2026-01-07 to 2026-04-06, AA831 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +16 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 63 | 89% |
| 16-30 min | 3 | 4% |
| 31-60 min | 2 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 19 | 95% | -6 min |
| 2026-02 | 24 | 92% | -4 min |
| 2026-03 | 23 | 87% | +62 min |
| 2026-04 | 5 | 60% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 75% |
| Tue | 12 | 92% |
| Wed | 13 | 100% |
| Thu | 12 | 83% |
| Fri | 11 | 100% |
| Sat | No data | — |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…