Flight OddsUA4515 ORD → FSD
United Airlines · Chicago, IL to Sioux Falls, SD · 29 flights observed, 2026-04-01 to 2026-04-29 · 462 mi
UA4515 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
+9 min
90th percentile
+82 min
Cancellation rate
10%
How often is UA4515 on time?
Across 29 flights on ORD → FSD from 2026-04-01 to 2026-04-29, UA4515 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +82 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 58% |
| 16-30 min | 1 | 4% |
| 31-60 min | 4 | 15% |
| 61-120 min | 4 | 15% |
| 2+ hrs | 2 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 26 | 58% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | 4 | 50% |
| Wed | 5 | 60% |
| Thu | 3 | 0% |
| Fri | 3 | 67% |
| Sat | 4 | 100% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…