UA517 MDT → ORD
United Airlines · Harrisburg, PA to Chicago, IL · 63 flights observed, 2026-03-05 to 2026-05-20 · 594 mi
UA517 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
59%
Median delay
+7 min
90th percentile
+94 min
Cancellation rate
6%
How often is UA517 on time?
Across 63 flights on MDT → ORD from 2026-03-05 to 2026-05-20, UA517 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +94 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 35 | 59% |
| 16-30 min | 11 | 19% |
| 31-60 min | 5 | 8% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 5 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 15 | 53% | +37 min |
| 2026-04 | 25 | 52% | +34 min |
| 2026-05 | 19 | 74% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 60% |
| Tue | 8 | 38% |
| Wed | 8 | 75% |
| Thu | 10 | 60% |
| Fri | 10 | 40% |
| Sat | 3 | 100% |
| Sun | 10 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…