background

(JL) JAL 809 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(NRT) Tokyo Narita International Airport

Tokyo, JP

(TPE) Taiwan Taoyuan International Airport

Taipei, TW

On-Time Performance Chart

(using rounded numbers)
On-Time
31
51%
Late
12
20%
Very Late
9
15%
Excessive
9
15%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
47
Codeshares
0
Average Delay (min.)
27.617021276595743
Standard Deviation
24.5
Min
0
Max
100

JL 809 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 51%
Average Delay Time 27.617021276595743 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 51%
This flight has an on-time performance of 51%. 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
3.3 of 5
Average
Average Delay Time 27.617021276595743 min
This flight has an average delay of 27.617021276595743 minutes with a standard deviation of 24.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.