(JL) JAL 7640 On-time Performance Rating

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JL 7640 Historical On-time Performance Ratings

Route:   Chicago to Washington
Date Range:   October 1, 2016 to November 30, 2016
Flight:   (JL) JAL 7640
Departure Airport:   (ORD) O'Hare International Airport
Departure City   Chicago, IL, US
Arrival Airport:   (DCA) Ronald Reagan National Airport
Arrival City:   Washington, DC, US

JL 7640 On-time Performance Rating Details

Overall Rating

0.8 of 5
Poor
On-time:
Avg. Delay:
71%
29 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8, shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.

On-time Performance

0.3 of 5
Very Poor
On-time: 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.

Delay Performance

1.2 of 5
Poor
Avg. Delay: 29 min
This flight has an average delay of 29 minutes with a standard deviation of 36.67 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

JL 7640 On-time Performance Summary

  On-time Performance
  Delay Statistics
On-time Arrival Performance for this Flight
On-time 38 71%
Late 5 9%
Very Late 4 7%
Excessive 6 11%
Canceled 0 0%
Diverted 0 0%
Total Flights 53
*Due to rounding approximations, values may not add up exactly to 100%
Aggregate Arrival Delay Statistics for this Flight
Observations 28
Average Delay (min.) 29.00
Standard Deviation 36.67
Min 0
Max 147
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