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(JU) Air Serbia 8539 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(BUF) Buffalo Niagara International Airport

Buffalo, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
69%
Late
1
6%
Very Late
1
6%
Excessive
2
13%
Cancelled
1
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
7
Codeshares
16
Average Delay (min.)
32.42857142857143
Standard Deviation
29.5
Min
0
Max
86

JU 8539 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 69%
Average Delay Time 32.42857142857143 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 32.42857142857143 min
This flight has an average delay of 32.42857142857143 minutes with a standard deviation of 29.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.