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(AS) Alaska Airlines 634 On-time Performance Rating

Date Range:

01-Oct-2018 to 30-Nov-2018

(PDX) Portland International Airport

Portland, OR, US

(ORD) O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
12
63%
Late
5
26%
Very Late
2
11%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
19
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
17
Standard Deviation
11.6
Min
2
Max
40

AS 634 On-time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 63%
Average Delay Time 17 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 17 min
This flight has an average delay of 17 minutes with a standard deviation of 11.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.