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(B7) Uni Air 8721 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(TSA) Taipei Songshan Airport

Taipei, TW

(TTT) Taitung Airport

Taitung City, TW

On-Time Performance Chart

(using rounded numbers)
On-Time
38
78%
Late
6
12%
Very Late
1
2%
Excessive
3
6%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
49
Total Delays ( > 1 min )
28
Codeshares
0
Average Delay (min.)
16.642857142857142
Standard Deviation
20.3
Min
0
Max
91

B7 8721 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 78%
Average Delay Time 16.642857142857142 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 16.642857142857142 min
This flight has an average delay of 16.642857142857142 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 93% of other flights.