Flight OddsUA4499 MDT → ORD
United Airlines · Harrisburg, PA to Chicago, IL · 9 flights observed, 2026-05-22 to 2026-05-31 · 594 mi
UA4499 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
75%
Median delay
-13 min
90th percentile
+26 min
Cancellation rate
0%
How often is UA4499 on time?
Across 9 flights on MDT → ORD from 2026-05-22 to 2026-05-31, UA4499 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +26 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 6 | 75% |
| 16-30 min | 1 | 13% |
| 31-60 min | 1 | 13% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 8 | 75% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | 1 | 100% |
| Wed | 1 | 0% |
| Thu | No data | — |
| Fri | 2 | 100% |
| Sat | 2 | 100% |
| Sun | 2 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…