Flight OddsAmerican Airlines · Chicago, IL to Champaign/Urbana, IL · 134 flights observed, 2025-11-02 to 2026-05-20 · 135 mi
AA3959 covers more than one route in the data window — the stats below are for ORD → CMI, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA3959 on time?
Across 134 flights on ORD → CMI from 2025-11-02 to 2026-05-20, AA3959 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +58 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 | 95 | 74% |
| 16-30 min | 11 | 9% |
| 31-60 min | 9 | 7% |
| 61-120 min | 9 | 7% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 26 | 77% | +5 min |
| 2025-12 | 2 | 50% | +63 min |
| 2026-01 | 25 | 68% | +19 min |
| 2026-02 | 28 | 79% | -1 min |
| 2026-03 | 5 | 80% | +1 min |
| 2026-04 | 23 | 61% | +27 min |
| 2026-05 | 19 | 89% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 75% |
| Tue | 21 | 76% |
| Wed | 19 | 79% |
| Thu | 19 | 68% |
| Fri | 17 | 71% |
| Sat | 18 | 78% |
| Sun | 18 | 72% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…