Flight OddsUA556 ORD → CLT
United Airlines · Chicago, IL to Charlotte, NC · 107 flights observed, 2025-07-01 to 2025-10-24 · 599 mi
UA556 covers more than one route in the data window — the stats below are for ORD → CLT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-15 min
90th percentile
+9 min
Cancellation rate
1%
How often is UA556 on time?
Across 107 flights on ORD → CLT from 2025-07-01 to 2025-10-24, UA556 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +9 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 99 | 93% |
| 16-30 min | 2 | 2% |
| 31-60 min | 3 | 3% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 94% | -8 min |
| 2025-08 | 28 | 89% | -9 min |
| 2025-09 | 26 | 92% | -12 min |
| 2025-10 | 21 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 94% |
| Tue | 17 | 94% |
| Wed | 17 | 94% |
| Thu | 16 | 100% |
| Fri | 17 | 88% |
| Sat | 7 | 100% |
| Sun | 16 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…