Flight OddsAA4634 PIT → ORD
American Airlines · Pittsburgh, PA to Chicago, IL · 22 flights observed, 2025-12-20 to 2026-02-11 · 413 mi
AA4634 covers more than one route in the data window — the stats below are for PIT → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
68%
Median delay
-16 min
90th percentile
+78 min
Cancellation rate
0%
How often is AA4634 on time?
Across 22 flights on PIT → ORD from 2025-12-20 to 2026-02-11, AA4634 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +78 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 | 15 | 68% |
| 16-30 min | 1 | 5% |
| 31-60 min | 3 | 14% |
| 61-120 min | 2 | 9% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 6 | 33% | +29 min |
| 2026-01 | 12 | 83% | +4 min |
| 2026-02 | 4 | 75% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 7 | 71% |
| Wed | 1 | 0% |
| Thu | 1 | 100% |
| Fri | 2 | 50% |
| Sat | 7 | 86% |
| Sun | 2 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…