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(UA) United Airlines 4563 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
56%
Late
0
0%
Very Late
0
0%
Excessive
2
22%
Cancelled
2
22%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
3
Codeshares
9
Average Delay (min.)
58.333333333333336
Standard Deviation
45
Min
0
Max
104

UA 4563 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 56%
Average Delay Time 58.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 58.333333333333336 min
This flight has an average delay of 58.333333333333336 minutes with a standard deviation of 45 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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