UA4453 ORD → SDF

United Airlines · Chicago, IL to Louisville, KY · 36 flights observed, 2025-10-26 to 2025-12-01 · 286 mi

This flight has been cancelled 11% of the time in the ingested window — notably higher than typical.

UA4453 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
69%
Median delay
-4 min
90th percentile
+98 min
Cancellation rate
11%

How often is UA4453 on time?

Across 36 flights on ORD → SDF from 2025-10-26 to 2025-12-01, UA4453 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +98 min or later. 11% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time2269%
16-30 min39%
31-60 min13%
61-120 min39%
2+ hrs39%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10683%0 min
2025-112568%+25 min
2025-1210%+142 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue580%
Wed560%
Thu4100%
Fri425%
Sat3100%
Sun650%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…