(SK) SAS 3991 On-time Performance Rating

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SK 3991 Historical On-time Performance Ratings

Route:   Chicago to Washington
Date Range:   August 15, 2017 to October 15, 2017
Flight:   (SK) SAS 3991
Departure Airport:   (ORD) O'Hare International Airport
Departure City   Chicago, IL, US
Arrival Airport:   (DCA) Ronald Reagan National Airport
Arrival City:   Washington, DC, US

SK 3991 On-time Performance Rating Details

Overall Rating

4.1 of 5
Good
On-time:
Avg. Delay:
89%
22 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1, shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.

On-time Performance

5 of 5
Very Good
On-time: 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.

Delay Performance

3.1 of 5
Average
Avg. Delay: 22 min
This flight has an average delay of 22 minutes with a standard deviation of 33.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 61% of other flights.

SK 3991 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 53 89%
Late 3 5%
Very Late 1 1%
Excessive 1 1%
Canceled 1 1%
Diverted 0 0%
Total Flights 59
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 12
Average Delay (min.) 22.00
Standard Deviation 33.20
Min 2
Max 124
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