Flight OddsAmerican Airlines · Champaign/Urbana, IL to Chicago, IL · 32 flights observed, 2025-11-02 to 2025-12-15 · 135 mi
AA4000 covers more than one route in the data window — the stats below are for CMI → ORD, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA4000 on time?
Across 32 flights on CMI → ORD from 2025-11-02 to 2025-12-15, AA4000 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +76 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 21 | 70% |
| 16-30 min | 1 | 3% |
| 31-60 min | 3 | 10% |
| 61-120 min | 4 | 13% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 19 | 74% | +10 min |
| 2025-12 | 11 | 64% | +27 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 2 | 50% |
| Wed | 1 | 0% |
| Thu | 5 | 80% |
| Fri | 6 | 83% |
| Sat | 3 | 100% |
| Sun | 7 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…