Flight OddsAA4321 ORD → MSN
American Airlines · Chicago, IL to Madison, WI · 27 flights observed, 2026-06-04 to 2026-06-30 · 108 mi
AA4321 covers more than one route in the data window — the stats below are for ORD → MSN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
0 min
90th percentile
+24 min
Cancellation rate
7%
How often is AA4321 on time?
Across 27 flights on ORD → MSN from 2026-06-04 to 2026-06-30, AA4321 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +24 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 19 | 76% |
| 16-30 min | 4 | 16% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 8% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-06 | 25 | 76% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 4 | 100% |
| Wed | 2 | 0% |
| Thu | 4 | 100% |
| Fri | 4 | 75% |
| Sat | 4 | 50% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…