Flight OddsUA3598 ORD → SDF
United Airlines · Chicago, IL to Louisville, KY · 348 flights observed, 2025-07-01 to 2026-06-30 · 286 mi
UA3598 covers more than one route in the data window — the stats below are for ORD → SDF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-6 min
90th percentile
+55 min
Cancellation rate
4%
How often is UA3598 on time?
Across 348 flights on ORD → SDF from 2025-07-01 to 2026-06-30, UA3598 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +55 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 | 254 | 76% |
| 16-30 min | 30 | 9% |
| 31-60 min | 24 | 7% |
| 61-120 min | 14 | 4% |
| 2+ hrs | 13 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 67% | +40 min |
| 2025-08 | 31 | 84% | -1 min |
| 2025-09 | 30 | 90% | -6 min |
| 2025-10 | 31 | 84% | -1 min |
| 2025-11 | 25 | 64% | +17 min |
| 2025-12 | 15 | 73% | +9 min |
| 2026-01 | 29 | 79% | -1 min |
| 2026-02 | 28 | 75% | +2 min |
| 2026-03 | 29 | 62% | +29 min |
| 2026-04 | 28 | 79% | 0 min |
| 2026-05 | 31 | 77% | +8 min |
| 2026-06 | 28 | 71% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 75% |
| Tue | 48 | 77% |
| Wed | 48 | 77% |
| Thu | 46 | 83% |
| Fri | 49 | 73% |
| Sat | 48 | 75% |
| Sun | 48 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…