Flight OddsAA3397 ORD → MDT
American Airlines · Chicago, IL to Harrisburg, PA · 14 flights observed, 2025-10-06 to 2025-10-30 · 594 mi
AA3397 covers more than one route in the data window — the stats below are for ORD → MDT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
+5 min
90th percentile
+28 min
Cancellation rate
0%
How often is AA3397 on time?
Across 14 flights on ORD → MDT from 2025-10-06 to 2025-10-30, AA3397 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +28 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 | 9 | 64% |
| 16-30 min | 4 | 29% |
| 31-60 min | 1 | 7% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 14 | 64% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 4 | 50% |
| Fri | 3 | 100% |
| Sat | No data | — |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…