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(B7) Uni Air 8640 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(MZG) Penghu Airport

Magong, TW

(RMQ) Taichung International Airport

Shalu, TW

On-Time Performance Chart

(using rounded numbers)
On-Time
45
90%
Late
4
8%
Very Late
1
2%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
11.764705882352942
Standard Deviation
10.5
Min
0
Max
42

B7 8640 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 90%
Average Delay Time 11.764705882352942 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 94% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
4.6 of 5
Very Good
Average Delay Time 11.764705882352942 min
This flight has an average delay of 11.764705882352942 minutes with a standard deviation of 10.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 92% of other flights.