Flight OddsUA4544 ORD → SDF
United Airlines · Chicago, IL to Louisville, KY · 25 flights observed, 2026-01-08 to 2026-02-09 · 286 mi
UA4544 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
83%
Median delay
-10 min
90th percentile
+21 min
Cancellation rate
4%
How often is UA4544 on time?
Across 25 flights on ORD → SDF from 2026-01-08 to 2026-02-09, UA4544 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +21 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 | 20 | 83% |
| 16-30 min | 2 | 8% |
| 31-60 min | 1 | 4% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 17 | 82% | -6 min |
| 2026-02 | 7 | 86% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 5 | 80% |
| Fri | 5 | 100% |
| Sat | 5 | 80% |
| 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…