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(SK) SAS 3985 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(LHR) London Heathrow Airport

London, EN, GB

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
51
85%
Late
3
5%
Very Late
2
3%
Excessive
3
5%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
11
Codeshares
60
Average Delay (min.)
45.27272727272727
Standard Deviation
50.5
Min
0
Max
166

SK 3985 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 85%
Average Delay Time 45.27272727272727 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 62% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 45.27272727272727 min
This flight has an average delay of 45.27272727272727 minutes with a standard deviation of 50.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.