Flight OddsAA4377 CHS → ORD
American Airlines · Charleston, SC to Chicago, IL · 33 flights observed, 2025-09-03 to 2025-10-05 · 760 mi
AA4377 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
61%
Median delay
+7 min
90th percentile
+39 min
Cancellation rate
0%
How often is AA4377 on time?
Across 33 flights on CHS → ORD from 2025-09-03 to 2025-10-05, AA4377 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +39 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 61% |
| 16-30 min | 7 | 21% |
| 31-60 min | 5 | 15% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 28 | 64% | +9 min |
| 2025-10 | 5 | 40% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 25% |
| Tue | 4 | 75% |
| Wed | 5 | 60% |
| Thu | 5 | 40% |
| Fri | 5 | 60% |
| Sat | 5 | 60% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…