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(AS) Alaska Airlines 4255 On-time Performance Rating

Date Range:

01-Apr-2018 to 31-May-2018

(BOS) Logan International AirportBoston, MA, US
(ORD) O'Hare International AirportChicago, IL, US
On-Time Performance Chart
(using rounded numbers)
On-Time
41
89%
Late
4
9%
Very Late
0
0%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
9
Codeshares
46
Average Delay (min.)
27
Standard Deviation
43.4
Min
3
Max
142
AS 4255 On-time Performance Details
Overall Rating
3.9 of 5
Good
Percentage On-Time 89%
Average Delay Time 27 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-time Performance Rating
4.9 of 5
Very Good
Percentage 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 98% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 27 min
This flight has an average delay of 27 minutes with a standard deviation of 43.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.