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(SK) SAS 3597 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(JFK) New York John F. Kennedy International Airport

New York, NY, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
43
75%
Late
1
2%
Very Late
2
4%
Excessive
6
11%
Cancelled
5
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
14
Codeshares
57
Average Delay (min.)
53.142857142857146
Standard Deviation
49.7
Min
0
Max
173

SK 3597 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 75%
Average Delay Time 53.142857142857146 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 31% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 53.142857142857146 min
This flight has an average delay of 53.142857142857146 minutes with a standard deviation of 49.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.