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(SK) SAS 3974 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(LHR) London Heathrow Airport

London, EN, GB

(JFK) New York John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
52
85%
Late
4
7%
Very Late
0
0%
Excessive
4
7%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
14
Codeshares
60
Average Delay (min.)
57.07142857142857
Standard Deviation
79.8
Min
0
Max
229

SK 3974 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 87%
Average Delay Time 57.07142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very 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 93% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 57.07142857142857 min
This flight has an average delay of 57.07142857142857 minutes with a standard deviation of 79.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.