Flight OddsUA4400 ORD → SDF
United Airlines · Chicago, IL to Louisville, KY · 30 flights observed, 2025-12-02 to 2026-01-04 · 286 mi
UA4400 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
55%
Median delay
+10 min
90th percentile
+61 min
Cancellation rate
3%
How often is UA4400 on time?
Across 30 flights on ORD → SDF from 2025-12-02 to 2026-01-04, UA4400 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +61 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 55% |
| 16-30 min | 7 | 24% |
| 31-60 min | 3 | 10% |
| 61-120 min | 2 | 7% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 26 | 58% | +14 min |
| 2026-01 | 3 | 33% | +55 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 25% |
| Tue | 5 | 60% |
| Wed | 5 | 60% |
| Thu | 3 | 67% |
| Fri | 5 | 40% |
| Sat | 3 | 100% |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…