Flight OddsAA3390 MDT → ORD
American Airlines · Harrisburg, PA to Chicago, IL · 35 flights observed, 2025-08-06 to 2025-12-24 · 594 mi
AA3390 covers more than one route in the data window — the stats below are for MDT → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-30 min
90th percentile
-9 min
Cancellation rate
3%
How often is AA3390 on time?
Across 35 flights on MDT → ORD from 2025-08-06 to 2025-12-24, AA3390 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -30 min, and the worst 10% of flights arrived -9 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 | 31 | 91% |
| 16-30 min | 2 | 6% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 25 | 96% | -26 min |
| 2025-09 | 2 | 100% | -36 min |
| 2025-12 | 7 | 71% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 5 | 100% |
| Wed | 5 | 100% |
| Thu | 5 | 80% |
| Fri | 5 | 100% |
| Sat | 5 | 100% |
| 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…