Flight OddsUA1557 ORD → MDT
United Airlines · Chicago, IL to Harrisburg, PA · 40 flights observed, 2026-05-21 to 2026-06-30 · 594 mi
UA1557 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
62%
Median delay
+5 min
90th percentile
+185 min
Cancellation rate
3%
How often is UA1557 on time?
Across 40 flights on ORD → MDT from 2026-05-21 to 2026-06-30, UA1557 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +185 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 | 24 | 62% |
| 16-30 min | 3 | 8% |
| 31-60 min | 5 | 13% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 5 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 10 | 90% | +14 min |
| 2026-06 | 29 | 52% | +48 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 83% |
| Tue | 6 | 33% |
| Wed | 5 | 40% |
| Thu | 5 | 60% |
| Fri | 6 | 50% |
| Sat | 6 | 100% |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…