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(SK) SAS 3631 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
52%
Late
7
16%
Very Late
0
0%
Excessive
11
25%
Cancelled
3
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
44
Total Delays ( > 1 min )
21
Codeshares
44
Average Delay (min.)
67.80952380952381
Standard Deviation
63.8
Min
0
Max
200

SK 3631 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 52%
Average Delay Time 67.80952380952381 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 52%
This flight has an on-time performance of 52%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 67.80952380952381 min
This flight has an average delay of 67.80952380952381 minutes with a standard deviation of 63.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.