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(TWB) T'way Air 640 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(HKG) Hong Kong International Airport

Hong Kong, HK

(PUS) Busan Gimhae International Airport

Busan, KR

On-Time Performance Chart

(using rounded numbers)
On-Time
28
85%
Late
5
15%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
20
Codeshares
0
Average Delay (min.)
10.1
Standard Deviation
7.3
Min
0
Max
25

TWB 640 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 85%
Average Delay Time 10.1 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 10.1 min
This flight has an average delay of 10.1 minutes with a standard deviation of 7.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.