Flight OddsUA4598 ORD → FSD
United Airlines · Chicago, IL to Sioux Falls, SD · 90 flights observed, 2026-01-06 to 2026-04-29 · 462 mi
UA4598 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
62%
Median delay
+2 min
90th percentile
+144 min
Cancellation rate
1%
How often is UA4598 on time?
Across 90 flights on ORD → FSD from 2026-01-06 to 2026-04-29, UA4598 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +144 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 55 | 62% |
| 16-30 min | 5 | 6% |
| 31-60 min | 8 | 9% |
| 61-120 min | 11 | 12% |
| 2+ hrs | 10 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 65% | +22 min |
| 2026-02 | 11 | 64% | +14 min |
| 2026-03 | 23 | 61% | +43 min |
| 2026-04 | 29 | 59% | +34 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 54% |
| Tue | 11 | 64% |
| Wed | 14 | 79% |
| Thu | 13 | 54% |
| Fri | 13 | 46% |
| Sat | 13 | 62% |
| 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…