Flight OddsUA1583 ORD → MDT
United Airlines · Chicago, IL to Harrisburg, PA · 66 flights observed, 2026-02-12 to 2026-04-29 · 594 mi
UA1583 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
57%
Median delay
+10 min
90th percentile
+107 min
Cancellation rate
2%
How often is UA1583 on time?
Across 66 flights on ORD → MDT from 2026-02-12 to 2026-04-29, UA1583 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +107 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 37 | 57% |
| 16-30 min | 7 | 11% |
| 31-60 min | 8 | 12% |
| 61-120 min | 6 | 9% |
| 2+ hrs | 7 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 10 | 60% | +13 min |
| 2026-03 | 28 | 57% | +44 min |
| 2026-04 | 27 | 56% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 50% |
| Tue | 8 | 13% |
| Wed | 11 | 91% |
| Thu | 10 | 70% |
| Fri | 9 | 44% |
| Sat | 8 | 63% |
| Sun | 11 | 55% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…