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(JU) Air Serbia 8539 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-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
36
65%
Late
5
9%
Very Late
1
2%
Excessive
13
24%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
27
Codeshares
55
Average Delay (min.)
67.70370370370371
Standard Deviation
82.1
Min
0
Max
355

JU 8539 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 66%
Average Delay Time 67.70370370370371 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 67.70370370370371 min
This flight has an average delay of 67.70370370370371 minutes with a standard deviation of 82.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.