Flight OddsUA5021 SUX → ORD
United Airlines · Sioux City, IA to Chicago, IL · 56 flights observed, 2026-03-05 to 2026-04-29 · 436 mi
UA5021 covers more than one route in the data window — the stats below are for SUX → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
-5 min
90th percentile
+58 min
Cancellation rate
5%
How often is UA5021 on time?
Across 56 flights on SUX → ORD from 2026-03-05 to 2026-04-29, UA5021 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +58 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 39 | 74% |
| 16-30 min | 5 | 9% |
| 31-60 min | 4 | 8% |
| 61-120 min | 3 | 6% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 25 | 84% | +8 min |
| 2026-04 | 28 | 64% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 50% |
| Tue | 8 | 50% |
| Wed | 8 | 75% |
| Thu | 7 | 71% |
| Fri | 7 | 86% |
| Sat | 8 | 88% |
| Sun | 7 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…