Flight OddsUA4535 FSD → ORD
United Airlines · Sioux Falls, SD to Chicago, IL · 90 flights observed, 2026-01-06 to 2026-04-29 · 462 mi
UA4535 covers more than one route in the data window — the stats below are for FSD → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
56%
Median delay
+7 min
90th percentile
+157 min
Cancellation rate
4%
How often is UA4535 on time?
Across 90 flights on FSD → ORD from 2026-01-06 to 2026-04-29, UA4535 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +157 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 48 | 56% |
| 16-30 min | 7 | 8% |
| 31-60 min | 12 | 14% |
| 61-120 min | 9 | 10% |
| 2+ hrs | 10 | 12% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 68% | +7 min |
| 2026-02 | 11 | 73% | +8 min |
| 2026-03 | 22 | 59% | +56 min |
| 2026-04 | 28 | 36% | +92 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 46% |
| Tue | 10 | 70% |
| Wed | 14 | 64% |
| Thu | 12 | 33% |
| Fri | 12 | 50% |
| Sat | 13 | 54% |
| Sun | 12 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…