Flight OddsUA3556 ORD → GSP
United Airlines · Chicago, IL to Greer, SC · 23 flights observed, 2025-07-01 to 2025-07-31 · 577 mi
UA3556 covers more than one route in the data window — the stats below are for ORD → GSP, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-10 min
90th percentile
+22 min
Cancellation rate
0%
How often is UA3556 on time?
Across 23 flights on ORD → GSP from 2025-07-01 to 2025-07-31, UA3556 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +22 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 | 19 | 83% |
| 16-30 min | 2 | 9% |
| 31-60 min | 1 | 4% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 83% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 5 | 100% |
| Wed | 5 | 60% |
| Thu | 5 | 100% |
| Fri | 4 | 100% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…