Flight OddsAA3603 GSP → ORD
American Airlines · Greer, SC to Chicago, IL · 169 flights observed, 2025-10-06 to 2026-05-20 · 577 mi
AA3603 covers more than one route in the data window — the stats below are for GSP → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-11 min
90th percentile
+41 min
Cancellation rate
4%
How often is AA3603 on time?
Across 169 flights on GSP → ORD from 2025-10-06 to 2026-05-20, AA3603 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +41 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 127 | 78% |
| 16-30 min | 14 | 9% |
| 31-60 min | 11 | 7% |
| 61-120 min | 8 | 5% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 25 | 96% | -5 min |
| 2025-11 | 26 | 85% | -5 min |
| 2025-12 | 30 | 70% | +5 min |
| 2026-01 | 28 | 57% | +17 min |
| 2026-02 | 11 | 73% | +4 min |
| 2026-04 | 23 | 87% | -4 min |
| 2026-05 | 20 | 80% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 87% |
| Tue | 25 | 76% |
| Wed | 26 | 73% |
| Thu | 25 | 84% |
| Fri | 22 | 68% |
| Sat | 23 | 74% |
| Sun | 19 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…