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(SK) SAS 3639 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
69%
Late
4
15%
Very Late
0
0%
Excessive
4
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
12
Codeshares
26
Average Delay (min.)
35.083333333333336
Standard Deviation
37.3
Min
0
Max
117

SK 3639 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 69%
Average Delay Time 35.083333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 24% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 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 12% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 35.083333333333336 min
This flight has an average delay of 35.083333333333336 minutes with a standard deviation of 37.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.