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(JL) JAL 4 On-time Performance Rating

Date Range:

15-Aug-2019 to 15-Oct-2019

(NRT) Narita International Airport

Tokyo, JP

(JFK) John F. Kennedy International Airport

New York, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
68%
Late
8
13%
Very Late
4
6%
Excessive
6
10%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
29
Codeshares
0
Average Delay (min.)
37
Standard Deviation
48.1
Min
0
Max
226

JL 4 On-time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 68%
Average Delay Time 37 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 37 min
This flight has an average delay of 37 minutes with a standard deviation of 48.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.