Flight OddsAA3931 CHS → ORD
American Airlines · Charleston, SC to Chicago, IL · 80 flights observed, 2025-10-06 to 2026-04-05 · 760 mi
AA3931 covers more than one route in the data window — the stats below are for CHS → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-4 min
90th percentile
+50 min
Cancellation rate
3%
How often is AA3931 on time?
Across 80 flights on CHS → ORD from 2025-10-06 to 2026-04-05, AA3931 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +50 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 63 | 81% |
| 16-30 min | 6 | 8% |
| 31-60 min | 2 | 3% |
| 61-120 min | 4 | 5% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 26 | 88% | +5 min |
| 2025-11 | 28 | 79% | +17 min |
| 2025-12 | 17 | 71% | +14 min |
| 2026-02 | 2 | 50% | +34 min |
| 2026-03 | 4 | 100% | -19 min |
| 2026-04 | 1 | 100% | -31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 90% |
| Tue | 11 | 82% |
| Wed | 11 | 82% |
| Thu | 9 | 89% |
| Fri | 10 | 90% |
| Sat | 10 | 80% |
| Sun | 17 | 65% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…