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(UA) United Airlines 4529 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
79%
Late
1
7%
Very Late
0
0%
Excessive
2
14%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
4
Codeshares
14
Average Delay (min.)
72
Standard Deviation
87.3
Min
0
Max
197

UA 4529 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 79%
Average Delay Time 72 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 72 min
This flight has an average delay of 72 minutes with a standard deviation of 87.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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