Flight OddsUA3581 ORD → HHH
United Airlines · Chicago, IL to Hilton Head, SC · 98 flights observed, 2026-03-07 to 2026-06-30 · 781 mi
UA3581 covers more than one route in the data window — the stats below are for ORD → HHH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-7 min
90th percentile
+59 min
Cancellation rate
0%
How often is UA3581 on time?
Across 98 flights on ORD → HHH from 2026-03-07 to 2026-06-30, UA3581 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +59 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 | 74 | 76% |
| 16-30 min | 7 | 7% |
| 31-60 min | 7 | 7% |
| 61-120 min | 4 | 4% |
| 2+ hrs | 5 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 7 | 71% | +41 min |
| 2026-04 | 30 | 67% | +11 min |
| 2026-05 | 30 | 77% | +16 min |
| 2026-06 | 30 | 87% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 86% |
| Tue | 14 | 64% |
| Wed | 13 | 85% |
| Thu | 13 | 77% |
| Fri | 12 | 50% |
| Sat | 17 | 76% |
| Sun | 14 | 93% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…