Flight OddsAA3748 ORD → MDT
American Airlines · Chicago, IL to Harrisburg, PA · 36 flights observed, 2025-07-01 to 2025-08-05 · 594 mi
AA3748 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
51%
Median delay
+15 min
90th percentile
+67 min
Cancellation rate
3%
How often is AA3748 on time?
Across 36 flights on ORD → MDT from 2025-07-01 to 2025-08-05, AA3748 arrived within 15 minutes of schedule 51% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +67 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 | 18 | 51% |
| 16-30 min | 8 | 23% |
| 31-60 min | 4 | 11% |
| 61-120 min | 5 | 14% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 50% | +22 min |
| 2025-08 | 5 | 60% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 6 | 83% |
| Wed | 5 | 40% |
| Thu | 5 | 40% |
| Fri | 5 | 60% |
| Sat | 4 | 50% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…