Flight OddsAA4633 STL → ORD
American Airlines · St. Louis, MO to Chicago, IL · 23 flights observed, 2025-12-03 to 2026-01-05 · 258 mi
AA4633 covers more than one route in the data window — the stats below are for STL → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-6 min
90th percentile
+31 min
Cancellation rate
0%
How often is AA4633 on time?
Across 23 flights on STL → ORD from 2025-12-03 to 2026-01-05, AA4633 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +31 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 20 | 87% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 4% |
| 61-120 min | 2 | 9% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 20 | 90% | 0 min |
| 2026-01 | 3 | 67% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 4 | 75% |
| Wed | 4 | 75% |
| Thu | 5 | 100% |
| Fri | 5 | 80% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…