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(UA) United Airlines 3599 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(SDF) Louisville Muhammad Ali International Airport

Louisville, KY, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
13
87%
Late
2
13%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
15
Total Delays ( > 1 min )
6
Codeshares
15
Average Delay (min.)
12.166666666666666
Standard Deviation
7.5
Min
0
Max
25

UA 3599 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 87%
Average Delay Time 12.166666666666666 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 12.166666666666666 min
This flight has an average delay of 12.166666666666666 minutes with a standard deviation of 7.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

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