(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:   September 15, 2016 to November 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

0.9 of 5
Poor
On-time:
Avg. Delay:
52%
28 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9, shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.

On-time Performance

0 of 5
Very Poor
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

1.7 of 5
Average
Avg. Delay: 28 min
This flight has an average delay of 28 minutes with a standard deviation of 35.69 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.

AS 4257 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 10 52%
Late 4 21%
Very Late 3 15%
Excessive 1 5%
Canceled 1 5%
Diverted 0 0%
Total Flights 19
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 12
Average Delay (min.) 28.00
Standard Deviation 35.69
Min 2
Max 136
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