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(B7) Uni Air 8638 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(MZG) Penghu Airport

Magong, TW

(RMQ) Taichung International Airport

Shalu, TW

On-Time Performance Chart

(using rounded numbers)
On-Time
49
96%
Late
0
0%
Very Late
0
0%
Excessive
2
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
13.5
Standard Deviation
20.3
Min
0
Max
57

B7 8638 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 96%
Average Delay Time 13.5 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
5.0 of 5
Very Good
Percentage On-Time 96%
This flight has an on-time performance of 96%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 13.5 min
This flight has an average delay of 13.5 minutes with a standard deviation of 20.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.