(AS) Alaska Airlines 4257 On-time Performance Rating

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AS 4257 Historical On-time Performance Ratings

Route:   Chicago to Newark
Date Range:   April 15, 2016 to June 15, 2016
Flight:   (AS) Alaska Airlines 4257
Departure Airport:   (ORD) O'Hare International Airport
Departure City   Chicago, IL, US
Arrival Airport:   (EWR) Newark Liberty International Airport
Arrival City:   Newark, NJ, US

AS 4257 On-time Performance Rating Details

Overall Rating

2.5 of 5
Average
On-time:
Avg. Delay:
75%
20 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5, shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.

On-time Performance

1.2 of 5
Poor
On-time: 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.

Delay Performance

3.9 of 5
Good
Avg. Delay: 20 min
This flight has an average delay of 20 minutes with a standard deviation of 19.01 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 78% of other flights.

AS 4257 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 46 75%
Late 7 11%
Very Late 2 3%
Excessive 5 8%
Canceled 1 1%
Diverted 0 0%
Total Flights 61
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 28
Average Delay (min.) 20.00
Standard Deviation 19.01
Min 0
Max 70
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