Flight OddsAA6428 ORD → STL
American Airlines · Chicago, IL to St. Louis, MO · 32 flights observed, 2025-09-03 to 2025-10-05 · 258 mi
AA6428 covers more than one route in the data window — the stats below are for ORD → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
84%
Median delay
-5 min
90th percentile
+23 min
Cancellation rate
3%
How often is AA6428 on time?
Across 32 flights on ORD → STL from 2025-09-03 to 2025-10-05, AA6428 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +23 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 26 | 84% |
| 16-30 min | 2 | 6% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 26 | 85% | +9 min |
| 2025-10 | 5 | 80% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 4 | 75% |
| Wed | 5 | 80% |
| Thu | 5 | 80% |
| Fri | 5 | 100% |
| Sat | 3 | 100% |
| 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…