Flight OddsUA3661 ORD → FSD
United Airlines · Chicago, IL to Sioux Falls, SD · 19 flights observed, 2025-12-18 to 2026-01-05 · 462 mi
UA3661 covers more than one route in the data window — the stats below are for ORD → FSD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
58%
Median delay
-4 min
90th percentile
+48 min
Cancellation rate
0%
How often is UA3661 on time?
Across 19 flights on ORD → FSD from 2025-12-18 to 2026-01-05, UA3661 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +48 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 | 11 | 58% |
| 16-30 min | 1 | 5% |
| 31-60 min | 7 | 37% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 14 | 50% | +15 min |
| 2026-01 | 5 | 80% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 2 | 0% |
| Wed | 2 | 0% |
| Thu | 3 | 67% |
| Fri | 3 | 100% |
| Sat | 3 | 67% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…